#17 pack/unpack renaming
#17 New Packet class to handle all struct packing and unpacking
#17 Craft responses with Packet class
#17 Various restructuring, record unpack (untested)
#17 Large, misc refactorizaion
#17 Packet cycle testing for responses with records
#17 Improved flag code considerably
Close #17 : Add multi-record testing to response cycle test