Improvements to initial value setting
Unit testing
Moar tests
Added stepCallback test
Small tweaks
Switched to PhantomJS for running tests
Moved easings to separate file for optional inclusion, build process needs adjustments.
Moved easings to separate file for optional inclusion, build process needs adjustments.
Optimization, refactoring, cleanup
Default setValue callback is now fired even when custom callback is set
Fixed requestAnimationFrame invocation error (it needs window context), minor tweaks
Moved default settings to a service that exposes a setDefault method
Optimized gulpfile
Version bump
Added coverage to gitignore
Merge branch 'develop'