2.2a

Fixed a buffer overflow bug with MAX_MESSAGE_LEN
previously this was set to 255, it has now been increased to 401

Fixed a buffer underrun bug with the message queue
msgqm had been defined with MAX_ACCOUNT_LEN rather than MAX_MESSAGE_LEN

Added /dump to output a copy of the message queue to the screen for debugging

Assorted cmd.c into two sepearte files, src/command.c and src/windows/cmd.c

Added src/conversation.c

Moved msn.c src/msn.c
