Beta Release v. 0.B.2

Polar Codes for 5G NR written in C. This release contains Polar Encoder, Successive Cancellation Decoder, CRC Encoding and Decoding, Input/Coded Bits Interleaving, and Rate Matching/Recovery as per 3GPP Specifications TS 38.212.

Final Release to include CRC-Aided Successive Cancellation and Belief Propagation List Decoder.