fixed error when MovieClip was stopped in COMPLETE handler; added 'currentTime' property.

This caused a negative "currentTime" before.
added 'Tween.getEndValue()' (closes #258)
made atlas texture accessible (closes #261)
slight refactoring of StatsDisplay
fixed typos
Add formatText method to TextField.
Fix indentation.
made 'log' method protected (closes #269)
Merge pull request #268 from johnfn/master

Allow custom formatting for TextField
Merge pull request #10 from PrimaryFeather/master

Updated from Primary Feather