* command ? traceback
 * display warning report bug
 * traceback when no alias
 * traceback when no pass
 * argline was not parsed correctly
 * bad displaying of usage
 * fix lots of traceback with options handling
 * fix displaying of help
 * implement timeout on sjrpc connection and add timeout param (need v6)

Command are now callable with a part of it.
e.g. a, al, ali,alia, call alias