Better inheritance. Specs added.

* Pulled in @mateuszdraco implementation of CRC16QT.
Credit @mateuszdraco.
Style.
Fixed the CRC16QT spec.
Call super in CRC16QT.pack.
 #readme link.
Version bump.
Fixed checksum calculation for CRC16_QT
Merge pull request #4 from joelhelbling/crc16_qt

Fixed Crc16_qt checksum