Version 0.1.5 is available!

News since last version are:
- added /ame command (send CTCP action to all channels of all connected servers),
- added setting "irc_notice_as_pv" to see notices as pv,
- added nicks colors in setup file,
- added /ignore and /unignore commands,
- signal SIGQUIT is now ignored,
- jump to next server now saves current channel buffer for each server,
- ctrl-up/ctrl-down keys added to call previous/next command in global history (common to all buffers),
- many major bugs fixed.