crc16

Modified CRC16 library for Arduino

Added :

• verifyCRC method
• appendCRC method
• examples/CRC16Test/CRC16Test.pde (uses a 32 byte array for testing the CRC16 methods)

Renamed :

• CRC16 -> calcCRC16

Original credit for this library goes to:

Tim W. Shilling (www.ShillingSystems.com)