add debug controls and reference ide
refactor reference ide
Merge branch 'debug' into dev
implement debug.draw.framecount
move stage debugging logic into separate object
implement debug.draw.events for mouse events
move more debug functionality into debug object
Merge branch 'debug' into dev
use separate scales for X and Y
fix over-tween bug
generalize moveTo to any linear transform
make width and height match scaled size; add scaleTo transform
fix undefined framecount bug
fix width/height definition ambiguity
add timeline to ide
add reset to stage
make reset preserve ats
add goToFrame
add start/stop buttons
make timeline scroll