[VisualK-OS Packet Standardization]
Kevin Slaughter (C)12/20/2016
Desc: An attempt to move away from process-heavy
      Arduino-side string handling)



[Packet Layout]
* No value delimeters, fixed packet length.
ex: "!<cmd><param1><param2><param3>"

* 0x00: Header byte ('!')
* 0x01: Command byte (Int; 0~255)
* 0x02: Parameter #1 (ex: Light/Board)
* 0x03: Parameter #2 (ex: Color/etc)
* 0x04: Parameter #3 (ex: Time[ms*25])

