ensure that the class in FInstance is the one the field is declared in

git-svn-id: http://haxe.googlecode.com/svn/trunk@5832 f16182fa-f095-11de-8f43-4547254af6c6
added array comprehension, fixed issue #1308

git-svn-id: http://haxe.googlecode.com/svn/trunk@5833 f16182fa-f095-11de-8f43-4547254af6c6
also allow [for(x in it){if(cond)value}] comprehension (some IDE might add {} automatically)

git-svn-id: http://haxe.googlecode.com/svn/trunk@5834 f16182fa-f095-11de-8f43-4547254af6c6
little renaming

git-svn-id: http://haxe.googlecode.com/svn/trunk@5835 f16182fa-f095-11de-8f43-4547254af6c6