Implemented native Arduino String class (WString)
Added Print.h functionality
Merge pull request #12 from anthony-ngu/AddingPrint

Added most of Print.h functionality
Merge pull request #14 from zfields/develop

Implemented Arduino native String class (WString)
Pin initialization on startup.
Took the tabs out.
Fixed splat from inlined initialization routines.
Fixed a couple of pin initization of bugs.
Fixed handling of "done" variable so it works correctly with SOC GPIOs.
Fix for SOC GPIO pin that is MUXed for PWM use.
Fix pinMode() exception when pin set to PWM.
Allow A0-A5 to be used to select analogRead(), digitalWrite(), or digitalRead() pins.