more TODOs.

src/animation/Clip.js

@@ -1,6 +1,8 @@
 /**
  *
  * Reusable set of Tracks that represent an animation.
+ *
+ * TODO: MUST add support for importing Clips from JSONLoader data files.
  * 
  * @author Ben Houston / http://clara.io/
  * @author David Sarno / http://lighthaus.us/

src/animation/Mixer.js

@@ -2,6 +2,8 @@
  *
  * Mixes together the Clips scheduled by Actions and applies them to the root and subtree
  *
+ * TODO: MUST add support for blending between Actions based on their weights, right now only the last Action is applied at full weight.
+ *
  * @author Ben Houston / http://clara.io/
  * @author David Sarno / http://lighthaus.us/
  */