Preview 2
* Rename pin class to FastPin
* Replace latch with select, more accurate description of what it does
* Enforce intra-frame timing for ws2801s
* SM16716 support
* Add #define FAST_SPI_INTERRUPTS_WRITE_PINS to make sure world is ok w/interrupts and SPI
* Add #define FORCE_SOFTWARE_SPI for those times when you absolutely don't want to use hardware SPI, ev
en if you're using the hardware SPI pins
* Add pin definitions for the arduino megas
* Add pin definitions for the leonardo

Preview 1
* Initial release

Add a log file of changes to preview releases
Add a log file of changes to preview releases
