fixed WithType TMono with TIf

git-svn-id: http://haxe.googlecode.com/svn/trunk@6517 f16182fa-f095-11de-8f43-4547254af6c6
simplified doc extraction and fixed bugs due to token prefetch (fixed issue #1686)

git-svn-id: http://haxe.googlecode.com/svn/trunk@6518 f16182fa-f095-11de-8f43-4547254af6c6