0.8 Public release
 - Merged 0.5.1 functionality with older, functioning codebase. PP_RMADDR
   functionality can wait.
0.7 Private release (immature)
 - PP_RMADDR functions fleshed out, some addressing working
0.6 Private release (buggy)
 - PP_RMADDR first attempt/failure
0.5.1 Private release (buggy)
 - Added IPv6 sanity checks on route modifying code (was coredumping on 
   systems with IPv6 routes).
 - Added packetp_packet_inject()
 - Removed firewall initialization on PP_LOOPFW mode if no inbound function.
0.5 Public release
 - Added packetp_set_largebuf()
 - Cleaned up packetp_frame_send for packets near the ethernet MTU
 - Added debug code
 - Added tutorials and sample code
0.4 Public release
 - Added documentation
 - Added packetp_set_type()
 - Added packetp_set_target()
 - Added packetp_set_proxy()
 - Added packetp_set_verbose()
 - Added packetp_set_simplified()
0.3 Private release
 - Renamed to packet purgatory
 - Added PP_LOOPFW mode
 - Code reworked to NetBSD style guide style
0.2 Private Release
 - Added simplified mode
 - Reworked tunnel structure
0.1 Private Release
 - libtunnel initial release
