Changes to Packet (ByteBuffer used now)
Adds comments for hex code confusion
First pass at Sender with ACKs and starts Receiver
Updates some logic in Receiver and cleans up LinkLayer
Stupid IDE stuff
Gets Sender moving in right direction
Finishes Receiver and Updates Sender
Implements resend packet
IDE stuff
Stupid git stuff
Fixes merge issues... hopefully
Other merge issues
Merge branch 'adamCheck2'