crccheck 0.5

Implements the following CRCs:

CRC-3/ROHC, CRC-4/ITU, CRC-5/EPC, CRC-5/ITU, CRC-5/USB, CRC-6/CDMA2000-A, CRC-6/CDMA2000-B, CRC-6/DARC, CRC-6/ITU, CRC-7, CRC-7/ROHC, CRC-8, CRC-8/CDMA2000, CRC-8/DARC, CRC-8/DVB-S2, CRC-8/EBU, CRC-8/I-CODE, CRC-8/ITU, CRC-8/MAXIM, CRC-8/ROHC, CRC-8/WCDMA, CRC-10, CRC-10/CDMA2000, CRC-11, CRC-12/3GPP, CRC-12/CDMA2000, CRC-12/DECT, CRC-13/BBC, CRC-14/DARC, CRC-15, CRC-15/MPT1327, CRC-16, ARC, CRC-16/AUG-CCITT, CRC-16/BUYPASS, CRC-16/CCITT-FALSE, CRC-16/CDMA2000, CRC-16/DDS-110, CRC-16/DECT-R, CRC-16/DECT-X, CRC-16/DNP, CRC-16/EN-13757, CRC-16/GENIBUS, CRC-16/MAXIM, CRC-16/MCRF4XX, CRC-16/RIELLO, CRC-16/T10-DIF, CRC-16/TELEDISK, CRC-16/TMS37157, CRC-16/USB, CRC-A, CRC-16 CCITT, KERMIT, MODBUS, X-25, XMODEM, CRC-24, CRC-24/FLEXRAY-A, CRC-24/FLEXRAY-B, CRC-31/PHILIPS, CRC-32, CRC-32/BZIP2, CRC-32C, CRC-32D, CRC-32/MPEG-2, CRC-32/POSIX, CRC-32Q, JAMCRC, XFER, CRC-40/GSM, CRC-64, CRC-64/WE, CRC-64/XZ, CRC-82/DARC.

Also implements additive and XOR checksums with 8, 16 and 32 bit.