Merge pull request #96 from summer-alice/update_custom_cTabItem

Update CTabItem to 4.7.3

Author: jacob-carlborg

base/src/java/lang/String.d

@@ -20,6 +20,8 @@ version(Tango){
 alias TryImmutable!(char)[]  String;
 alias TryImmutable!(wchar)[] String16;
 
+alias toString = std.conv.to!string;
+
 String new_String( String cont, int offset, int len ){
     return _idup(cont[ offset .. offset+len ]);
 }