diff --git a/examples/word_counter/word_counter.v b/examples/word_counter/word_counter.v
index 8e0ca9576d..c50b60b78b 100644
--- a/examples/word_counter/word_counter.v
+++ b/examples/word_counter/word_counter.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/tools/vcreate.v b/tools/vcreate.v
index 0a0806fef7..ed4d029fac 100644
--- a/tools/vcreate.v
+++ b/tools/vcreate.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/float.v b/vlib/builtin/float.v
index 000b876a85..ee412216e2 100644
--- a/vlib/builtin/float.v
+++ b/vlib/builtin/float.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module builtin
diff --git a/vlib/builtin/hashmap/hashmap.v b/vlib/builtin/hashmap/hashmap.v
index 178c292c2c..178e6f92a9 100644
--- a/vlib/builtin/hashmap/hashmap.v
+++ b/vlib/builtin/hashmap/hashmap.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module hashmap
diff --git a/vlib/builtin/int.v b/vlib/builtin/int.v
index f519e5d845..7ef16406be 100644
--- a/vlib/builtin/int.v
+++ b/vlib/builtin/int.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module builtin
diff --git a/vlib/builtin/js/array.v b/vlib/builtin/js/array.v
index de2027ca5e..705f7103c0 100644
--- a/vlib/builtin/js/array.v
+++ b/vlib/builtin/js/array.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/js/builtin.v b/vlib/builtin/js/builtin.v
index 84b7eda78a..fa91c1331f 100644
--- a/vlib/builtin/js/builtin.v
+++ b/vlib/builtin/js/builtin.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/js/hashmap.v b/vlib/builtin/js/hashmap.v
index 6eccce0d3e..a38226a602 100644
--- a/vlib/builtin/js/hashmap.v
+++ b/vlib/builtin/js/hashmap.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/js/int.v b/vlib/builtin/js/int.v
index 8c4d6aaa8d..1c1c7d4fec 100644
--- a/vlib/builtin/js/int.v
+++ b/vlib/builtin/js/int.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/js/map.v b/vlib/builtin/js/map.v
index 0b05d8c74b..516fb5ae4a 100644
--- a/vlib/builtin/js/map.v
+++ b/vlib/builtin/js/map.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/js/option.v b/vlib/builtin/js/option.v
index acbb47b6bc..86aa638160 100644
--- a/vlib/builtin/js/option.v
+++ b/vlib/builtin/js/option.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/js/utf8.v b/vlib/builtin/js/utf8.v
index f845a4b1f8..fc5207e328 100644
--- a/vlib/builtin/js/utf8.v
+++ b/vlib/builtin/js/utf8.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/map.v b/vlib/builtin/map.v
index ee12a2d991..f46e97e09d 100644
--- a/vlib/builtin/map.v
+++ b/vlib/builtin/map.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/option.v b/vlib/builtin/option.v
index 388db670ba..9c1649826f 100644
--- a/vlib/builtin/option.v
+++ b/vlib/builtin/option.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module builtin
diff --git a/vlib/builtin/string_test.v b/vlib/builtin/string_test.v
index 5e514f7d6d..56eb2d0676 100644
--- a/vlib/builtin/string_test.v
+++ b/vlib/builtin/string_test.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/builtin/utf8.v b/vlib/builtin/utf8.v
index 46cd84338e..4d48dc0a3f 100644
--- a/vlib/builtin/utf8.v
+++ b/vlib/builtin/utf8.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module builtin
diff --git a/vlib/compiler/cflags.v b/vlib/compiler/cflags.v
index ce51e4e186..a0129c0710 100644
--- a/vlib/compiler/cflags.v
+++ b/vlib/compiler/cflags.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module compiler
diff --git a/vlib/compiler/compiler_options.v b/vlib/compiler/compiler_options.v
index 4c94d51c20..7e09da7629 100644
--- a/vlib/compiler/compiler_options.v
+++ b/vlib/compiler/compiler_options.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module compiler
diff --git a/vlib/compiler/depgraph.v b/vlib/compiler/depgraph.v
index 20c9104f27..44a93e6d22 100644
--- a/vlib/compiler/depgraph.v
+++ b/vlib/compiler/depgraph.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 // Directed acyclic graph
diff --git a/vlib/compiler/json_gen.v b/vlib/compiler/json_gen.v
index e42db24d45..5dee0495a4 100644
--- a/vlib/compiler/json_gen.v
+++ b/vlib/compiler/json_gen.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module compiler
diff --git a/vlib/compiler/module_header.v b/vlib/compiler/module_header.v
index d9b1821716..eb28293801 100644
--- a/vlib/compiler/module_header.v
+++ b/vlib/compiler/module_header.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module compiler
diff --git a/vlib/compiler/modules.v b/vlib/compiler/modules.v
index 1bc9ffadd8..7cc1944a00 100644
--- a/vlib/compiler/modules.v
+++ b/vlib/compiler/modules.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module compiler
diff --git a/vlib/compiler/query.v b/vlib/compiler/query.v
index a0af04e901..ceec14fa26 100644
--- a/vlib/compiler/query.v
+++ b/vlib/compiler/query.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module compiler
diff --git a/vlib/compiler/vfmt.v b/vlib/compiler/vfmt.v
index c334185c7f..55f2b6b7c4 100644
--- a/vlib/compiler/vfmt.v
+++ b/vlib/compiler/vfmt.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/compiler/vtmp.v b/vlib/compiler/vtmp.v
index 3857b85d21..1d602fd345 100644
--- a/vlib/compiler/vtmp.v
+++ b/vlib/compiler/vtmp.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module compiler
diff --git a/vlib/compiler/x64/elf_obj.v b/vlib/compiler/x64/elf_obj.v
index e1f90de6a5..c6adc3830e 100644
--- a/vlib/compiler/x64/elf_obj.v
+++ b/vlib/compiler/x64/elf_obj.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module x64
diff --git a/vlib/compiler/x64/gen.v b/vlib/compiler/x64/gen.v
index 279ada855f..e33f143eac 100644
--- a/vlib/compiler/x64/gen.v
+++ b/vlib/compiler/x64/gen.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module x64
diff --git a/vlib/crypto/aes/aes.v b/vlib/crypto/aes/aes.v
index 3828cef4e6..fd6e0a5212 100644
--- a/vlib/crypto/aes/aes.v
+++ b/vlib/crypto/aes/aes.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/aes/aes_cbc.v b/vlib/crypto/aes/aes_cbc.v
index 2f3f911275..1781364dce 100644
--- a/vlib/crypto/aes/aes_cbc.v
+++ b/vlib/crypto/aes/aes_cbc.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/aes/aes_test.v b/vlib/crypto/aes/aes_test.v
index 2b4caacadd..02d8b5ebd1 100644
--- a/vlib/crypto/aes/aes_test.v
+++ b/vlib/crypto/aes/aes_test.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/aes/block_generic.v b/vlib/crypto/aes/block_generic.v
index 0f1706bce0..4729400229 100644
--- a/vlib/crypto/aes/block_generic.v
+++ b/vlib/crypto/aes/block_generic.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/aes/const.v b/vlib/crypto/aes/const.v
index f3dc076532..d03f3b9a86 100644
--- a/vlib/crypto/aes/const.v
+++ b/vlib/crypto/aes/const.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/aes/cypher_generic.v b/vlib/crypto/aes/cypher_generic.v
index b8eb5379d8..70af083563 100644
--- a/vlib/crypto/aes/cypher_generic.v
+++ b/vlib/crypto/aes/cypher_generic.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/cipher/xor_generic.v b/vlib/crypto/cipher/xor_generic.v
index 30b92b5331..5ab797a2b3 100644
--- a/vlib/crypto/cipher/xor_generic.v
+++ b/vlib/crypto/cipher/xor_generic.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/internal/subtle/aliasing.v b/vlib/crypto/internal/subtle/aliasing.v
index 3d95417148..d4cb50333e 100644
--- a/vlib/crypto/internal/subtle/aliasing.v
+++ b/vlib/crypto/internal/subtle/aliasing.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/md5/md5.v b/vlib/crypto/md5/md5.v
index 1d90da7d12..63e7b32366 100644
--- a/vlib/crypto/md5/md5.v
+++ b/vlib/crypto/md5/md5.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/md5/md5_test.v b/vlib/crypto/md5/md5_test.v
index aa2ee62c4b..9782ada1bd 100644
--- a/vlib/crypto/md5/md5_test.v
+++ b/vlib/crypto/md5/md5_test.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/md5/md5block_generic.v b/vlib/crypto/md5/md5block_generic.v
index 53f1518530..e7be907ad2 100644
--- a/vlib/crypto/md5/md5block_generic.v
+++ b/vlib/crypto/md5/md5block_generic.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/rand/rand.v b/vlib/crypto/rand/rand.v
index 0a8068b11f..0b822c37a1 100644
--- a/vlib/crypto/rand/rand.v
+++ b/vlib/crypto/rand/rand.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/rand/rand_linux.v b/vlib/crypto/rand/rand_linux.v
index 15eeff8fed..52d9c729ac 100644
--- a/vlib/crypto/rand/rand_linux.v
+++ b/vlib/crypto/rand/rand_linux.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/rand/rand_test.v b/vlib/crypto/rand/rand_test.v
index 066804a82f..cd4475db35 100644
--- a/vlib/crypto/rand/rand_test.v
+++ b/vlib/crypto/rand/rand_test.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/rand/rand_windows.v b/vlib/crypto/rand/rand_windows.v
index d219fb75ae..caa0ba4c95 100644
--- a/vlib/crypto/rand/rand_windows.v
+++ b/vlib/crypto/rand/rand_windows.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/rand/utils.v b/vlib/crypto/rand/utils.v
index c0bf11ea1f..9f0a8ef7da 100644
--- a/vlib/crypto/rand/utils.v
+++ b/vlib/crypto/rand/utils.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/rc4/rc4.v b/vlib/crypto/rc4/rc4.v
index 3d318e105a..985ab48934 100644
--- a/vlib/crypto/rc4/rc4.v
+++ b/vlib/crypto/rc4/rc4.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/rc4/rc4_test.v b/vlib/crypto/rc4/rc4_test.v
index 7693f1a7b3..ce85072e98 100644
--- a/vlib/crypto/rc4/rc4_test.v
+++ b/vlib/crypto/rc4/rc4_test.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/sha1/sha1.v b/vlib/crypto/sha1/sha1.v
index 01669e1587..3c1fab064a 100644
--- a/vlib/crypto/sha1/sha1.v
+++ b/vlib/crypto/sha1/sha1.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/sha1/sha1_test.v b/vlib/crypto/sha1/sha1_test.v
index 9f5f611b7c..a83d709758 100644
--- a/vlib/crypto/sha1/sha1_test.v
+++ b/vlib/crypto/sha1/sha1_test.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/sha1/sha1block_generic.v b/vlib/crypto/sha1/sha1block_generic.v
index d21d6d1826..fad3eef5aa 100644
--- a/vlib/crypto/sha1/sha1block_generic.v
+++ b/vlib/crypto/sha1/sha1block_generic.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/sha256/sha256.v b/vlib/crypto/sha256/sha256.v
index 147bbe2bdc..66b31b60b3 100644
--- a/vlib/crypto/sha256/sha256.v
+++ b/vlib/crypto/sha256/sha256.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/sha256/sha256_test.v b/vlib/crypto/sha256/sha256_test.v
index adf48fb95a..52c928f5bc 100644
--- a/vlib/crypto/sha256/sha256_test.v
+++ b/vlib/crypto/sha256/sha256_test.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/sha256/sha256block_generic.v b/vlib/crypto/sha256/sha256block_generic.v
index 2b890586fa..e6807d04be 100644
--- a/vlib/crypto/sha256/sha256block_generic.v
+++ b/vlib/crypto/sha256/sha256block_generic.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/crypto/sha512/sha512.v b/vlib/crypto/sha512/sha512.v
index dde1b661db..1278d564ef 100644
--- a/vlib/crypto/sha512/sha512.v
+++ b/vlib/crypto/sha512/sha512.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 // Package sha512 implements the SHA-384, SHA-512, SHA-512/224, and SHA-512/256
diff --git a/vlib/crypto/sha512/sha512_test.v b/vlib/crypto/sha512/sha512_test.v
index 4d559a5706..5b4e15c774 100644
--- a/vlib/crypto/sha512/sha512_test.v
+++ b/vlib/crypto/sha512/sha512_test.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 import crypto.sha512
diff --git a/vlib/crypto/sha512/sha512block_generic.v b/vlib/crypto/sha512/sha512block_generic.v
index 8a7a4ac9a7..77fee2ba77 100644
--- a/vlib/crypto/sha512/sha512block_generic.v
+++ b/vlib/crypto/sha512/sha512block_generic.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 // SHA512 block step.
diff --git a/vlib/encoding/csv/reader.v b/vlib/encoding/csv/reader.v
index a1a4b81e3a..a5a4157f7e 100644
--- a/vlib/encoding/csv/reader.v
+++ b/vlib/encoding/csv/reader.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/encoding/csv/writer.v b/vlib/encoding/csv/writer.v
index 1b4b83694f..08b5040cd5 100644
--- a/vlib/encoding/csv/writer.v
+++ b/vlib/encoding/csv/writer.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/glm/glm.v b/vlib/glm/glm.v
index dfbe561c0e..4a1897f4ad 100644
--- a/vlib/glm/glm.v
+++ b/vlib/glm/glm.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/glm/glm_test.v b/vlib/glm/glm_test.v
index d73aea9a00..ac1c273643 100644
--- a/vlib/glm/glm_test.v
+++ b/vlib/glm/glm_test.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/hash/crc32/crc32.v b/vlib/hash/crc32/crc32.v
index 76e63c6951..e75b8f7e37 100644
--- a/vlib/hash/crc32/crc32.v
+++ b/vlib/hash/crc32/crc32.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/hash/hash.v b/vlib/hash/hash.v
index 19d72168fe..ce6f5413e2 100644
--- a/vlib/hash/hash.v
+++ b/vlib/hash/hash.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/hash/wyhash/wyhash.v b/vlib/hash/wyhash/wyhash.v
index a15430cfc8..cd128fe3ee 100644
--- a/vlib/hash/wyhash/wyhash.v
+++ b/vlib/hash/wyhash/wyhash.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 //
diff --git a/vlib/math/bits.v b/vlib/math/bits.v
index f35e40691e..79318297c2 100644
--- a/vlib/math/bits.v
+++ b/vlib/math/bits.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module math
diff --git a/vlib/math/bits/bits_tables.v b/vlib/math/bits/bits_tables.v
index 57487d2f18..b3f247bf3f 100644
--- a/vlib/math/bits/bits_tables.v
+++ b/vlib/math/bits/bits_tables.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module bits
diff --git a/vlib/math/complex/complex.v b/vlib/math/complex/complex.v
index be936cf1cc..3dd52ed6bc 100644
--- a/vlib/math/complex/complex.v
+++ b/vlib/math/complex/complex.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/math/const.v b/vlib/math/const.v
index 38b9fbd293..e72e5a1899 100644
--- a/vlib/math/const.v
+++ b/vlib/math/const.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module math
diff --git a/vlib/math/factorial/factorial.v b/vlib/math/factorial/factorial.v
index 8397ad2822..7a93780fda 100644
--- a/vlib/math/factorial/factorial.v
+++ b/vlib/math/factorial/factorial.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/math/factorial/factorial_tables.v b/vlib/math/factorial/factorial_tables.v
index ee2b9f00b6..a8f7562c00 100644
--- a/vlib/math/factorial/factorial_tables.v
+++ b/vlib/math/factorial/factorial_tables.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/math/fractions/fraction.v b/vlib/math/fractions/fraction.v
index cc52cdc13c..809875ab04 100644
--- a/vlib/math/fractions/fraction.v
+++ b/vlib/math/fractions/fraction.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/math/math.v b/vlib/math/math.v
index f28da56357..edd29612e4 100644
--- a/vlib/math/math.v
+++ b/vlib/math/math.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module math
diff --git a/vlib/math/unsafe.v b/vlib/math/unsafe.v
index 550b20405f..87200d2248 100644
--- a/vlib/math/unsafe.v
+++ b/vlib/math/unsafe.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module math
diff --git a/vlib/net/http/backend_nix.v b/vlib/net/http/backend_nix.v
index de3de89835..259aa826f5 100644
--- a/vlib/net/http/backend_nix.v
+++ b/vlib/net/http/backend_nix.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module http
diff --git a/vlib/net/http/backend_windows.v b/vlib/net/http/backend_windows.v
index 500cda7195..e533ba79c2 100644
--- a/vlib/net/http/backend_windows.v
+++ b/vlib/net/http/backend_windows.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/net/http/download_nix.v b/vlib/net/http/download_nix.v
index 2ed18bd5a7..c7ddbad1cc 100644
--- a/vlib/net/http/download_nix.v
+++ b/vlib/net/http/download_nix.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module http
diff --git a/vlib/net/http/download_windows.v b/vlib/net/http/download_windows.v
index dc1f05ad4e..49ff263884 100644
--- a/vlib/net/http/download_windows.v
+++ b/vlib/net/http/download_windows.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/net/urllib/values.v b/vlib/net/urllib/values.v
index 3f94a94e3a..506df5a850 100644
--- a/vlib/net/urllib/values.v
+++ b/vlib/net/urllib/values.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module urllib
diff --git a/vlib/rand/rand.v b/vlib/rand/rand.v
index 5ae1f8208f..a447142fb8 100644
--- a/vlib/rand/rand.v
+++ b/vlib/rand/rand.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module rand
diff --git a/vlib/readline/readline.v b/vlib/readline/readline.v
index 0333bfacea..082196068d 100644
--- a/vlib/readline/readline.v
+++ b/vlib/readline/readline.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/readline/readline_js.v b/vlib/readline/readline_js.v
index e96014db44..19a2926ef9 100644
--- a/vlib/readline/readline_js.v
+++ b/vlib/readline/readline_js.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/readline/readline_linux.v b/vlib/readline/readline_linux.v
index df3217c6d0..a2eae33587 100644
--- a/vlib/readline/readline_linux.v
+++ b/vlib/readline/readline_linux.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/readline/readline_windows.v b/vlib/readline/readline_windows.v
index 5b7c17457f..62b679a77b 100644
--- a/vlib/readline/readline_windows.v
+++ b/vlib/readline/readline_windows.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/runtime/runtime.v b/vlib/runtime/runtime.v
index 3296a40c75..f15a7c11ce 100644
--- a/vlib/runtime/runtime.v
+++ b/vlib/runtime/runtime.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/sdl/examples/tvintris/tvintris.v b/vlib/sdl/examples/tvintris/tvintris.v
index 595d218a42..2ed96427a8 100644
--- a/vlib/sdl/examples/tvintris/tvintris.v
+++ b/vlib/sdl/examples/tvintris/tvintris.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/strconv/atoi.v b/vlib/strconv/atoi.v
index 942445229e..029e4e6063 100644
--- a/vlib/strconv/atoi.v
+++ b/vlib/strconv/atoi.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 // TODO: use optionals, or some way to return default with error.
diff --git a/vlib/strings/builder_c.v b/vlib/strings/builder_c.v
index c19d852008..3edbd546f0 100644
--- a/vlib/strings/builder_c.v
+++ b/vlib/strings/builder_c.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module strings
diff --git a/vlib/strings/builder_js.v b/vlib/strings/builder_js.v
index dc8a97b87e..77dc3cd476 100644
--- a/vlib/strings/builder_js.v
+++ b/vlib/strings/builder_js.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 
diff --git a/vlib/term/colors.v b/vlib/term/colors.v
index 7feb84abd2..87f4c4e502 100644
--- a/vlib/term/colors.v
+++ b/vlib/term/colors.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module term
diff --git a/vlib/term/control.v b/vlib/term/control.v
index 93e4fd40e3..606c848a2c 100644
--- a/vlib/term/control.v
+++ b/vlib/term/control.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module term
diff --git a/vlib/v/eval/eval.v b/vlib/v/eval/eval.v
index 413d26f784..3894cfb85e 100644
--- a/vlib/v/eval/eval.v
+++ b/vlib/v/eval/eval.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module eval
diff --git a/vlib/v/fmt/fmt.v b/vlib/v/fmt/fmt.v
index f2628d8a5e..0cea66d5fc 100644
--- a/vlib/v/fmt/fmt.v
+++ b/vlib/v/fmt/fmt.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module fmt
diff --git a/vlib/v/gen/x64/elf_obj.v b/vlib/v/gen/x64/elf_obj.v
index e1f90de6a5..c6adc3830e 100644
--- a/vlib/v/gen/x64/elf_obj.v
+++ b/vlib/v/gen/x64/elf_obj.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module x64
diff --git a/vlib/v/table/atypes.v b/vlib/v/table/atypes.v
index 592963522c..360d47f48a 100644
--- a/vlib/v/table/atypes.v
+++ b/vlib/v/table/atypes.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module table
diff --git a/vlib/v/table/table.v b/vlib/v/table/table.v
index a74433bbde..aedc759eb4 100644
--- a/vlib/v/table/table.v
+++ b/vlib/v/table/table.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.
 module table
diff --git a/vlib/vweb/vweb.v b/vlib/vweb/vweb.v
index 650a15ab9d..be4f5680aa 100644
--- a/vlib/vweb/vweb.v
+++ b/vlib/vweb/vweb.v
@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
 // Use of this source code is governed by an MIT license
 // that can be found in the LICENSE file.