add ./v2 to gitignore

.gitignore

@@ -2,6 +2,7 @@ fns.txt
 *.dSYM
 *_test
 /v
+/v2
 /vprod
 /v.c
 /v.*.c

tutorials/building-a-simple-web-blog-with-vweb.md

@@ -383,7 +383,7 @@ pub fn (app mut App) articles() {
 
 
 
-To be continued on Dec 14...
+To be continued...
 
 For an example of a more sophisticated web app written in V, check out Vorum: https://github.com/vlang/vorum
 

vlib/builtin/array.v

@@ -231,7 +231,7 @@ fn (a array) slice(start, _end int) array {
 		len: l
 		cap: l
 	}
-	return res
+	return res.clone()
 }
 
 // Private function. Used to implement assigment to the array element.