Updated Com::Parse()

Com.cpp
Updated Com::Parse() and verified that it works
Commented out SendMsg(), FlushWriteBuffer(), WriteMsg()
Removed FlushWriteBuffer() from Init()
Changed RxFifo->Init() to have a length of 1 byte
Added MsgFifo->Init

Com.h
-Added MsgFifo
-Changed msg structure to eliminate 'sent'

TODO
-Need to eliminate size from msg and update sizes
-Need to change read and write functions to use fifos