Added unit testing
Added unit testing lib folder to JSHint ignore
Added first draft of unit testing for Elyssa.Size
Added first draft of unit testing for Elyssa.Rect
Added first draft of unit testing for Elyssa.Math
Complete unit testing for Elyssa.Color
Updated Elyssa.Color

* #toHex() returns three-character long hex values if it can
* fadeIn and fadeOut are more precise
Updated cakefile for unit testing
My first open-source project product that features unit testing... wohooo! :)
Updated JS files
Updated documentation