weaken Reflect.compare specification to admit negative/positive values instead of -1/1 so Caue has less stuff to fix

git-svn-id: http://haxe.googlecode.com/svn/trunk@6629 f16182fa-f095-11de-8f43-4547254af6c6
protect poor flash8 from evil EReg unit tests

git-svn-id: http://haxe.googlecode.com/svn/trunk@6630 f16182fa-f095-11de-8f43-4547254af6c6
[Js] added some missing != null

git-svn-id: http://haxe.googlecode.com/svn/trunk@6631 f16182fa-f095-11de-8f43-4547254af6c6
fixed unit tests

git-svn-id: http://haxe.googlecode.com/svn/trunk@6632 f16182fa-f095-11de-8f43-4547254af6c6