Communication primitive library

Primitive library for dealing with communication protocols.

Primitives

• Bit stuffer (bit_stuffer)
• Parallel CRC generator (crc_parallel)
• Serial CRC generator (crc_serial)
• Multiplicative descrambler (multiplicative_descrambler)
• Multiplicative scrambler (multiplicative_scrambler)
• Pseudo-random binary sequence (PRBS) generator (prbs_generator)
• Pseudo-random binary sequence (PRBS) synchroniser (prbs_synchroniser)