Handling file downloads with unknown files slightly better
Finished up the chunked support in both the client and the server
Improved error messages in memory.c - they now display the proper filename and line number for double-free and such
Improved the memory.c implementation, again, and un-broke some stuff that I accidentally
Fixed a double-free issue (which, thanks to my memory wrapper, was detected before actually happening)
Cleaned up and refactored session.rb, removed a bunch of stale methods
Added FIN 'reason' to the server code
Added a 'reason' to FIN packets
Added a 'kill' command to the server, to terminate a session