BitVector: added implementation.
ShortBitVector: added implementation.
ConvolutionalCoder: added implementation.
Ieee80211Interleaver: added implementation.
Ieee80211Scrambler: added implementation.
ConvolutionalCoder: added tests.
Ieee80211BitDomainTest: added a tester module.
Ieee80211BitDomainTest: added a test.
Radio: Added initial layered radio implementation.