development versions/readme updates
include base state in tests
implemented base state in the code (tests do fail)
things related to base state, separately
new, proper, tests
pivot improvements
sandbox behavior is much smoother than before (fixed rate/play-from calculation)
sandbox style to handle huge resizes
improve sandbox error handling
fix mistypes
fix sprite impl
allow to use repeat flag for sprites as intended
add some AMD/CommonJS modularity (draft)
current minor changes
minor fixes regarding pivot
Merge branch 'master' into base-state
Merge branch 'fix-loop-modes-affecting-children' into base-state
shadow for text
Merge pull request #102 from Animatron/fix-editor-incompatibilities

Do not show invisible elements
Merge branch 'master' into base-state

Conflicts:
	src/player.js