I was procrastinating so I put together a v1.2 release, the big changes are a bunch of bug fixes and basic support for proper tilemaps!
http://flixel.org/flixel_v1.2.zip> Fixed bug with facing & proc-gen box sprites
> Added FlxGame constructor param for skipping Flixel logo
> Removed the deletes in FlxArray's "remove" functions
> Simplified FlxArray "clear" function
> Added null checks to overlap and collide functions
> Fade and Flash need param Force == true to reset themselves
> Flash has a callback now
> FlxButtons use scrollFactor, visible, and flicker properly now
> General corrections to the way overlap works with scrollfactor
> Fixed pause music looping bug
> FlxG.scores and FlxG.levels are flxarrays now
> Doublechecked manual scroll manipulation
> Added new class FlxLayer
> FlxEmitter has optional parameter for parent FlxLayer
> FlxEmitter will not auto-add pre-existing sprites
> added new class FlxTilemap
> added callback to FlxSprite animation system
> fixed excessive frame calculation in FlxSprite animation
> added new optional PlayStateTiles to Mode example code