* Refactored commands processing so now every command has a
numeric and a name. Programs reliant on numeric values not
yet defined can do so without breaking once they are defined.
* Unconditionally close the socket, even if shutdown fails.
* Stop excluding scripts. Prevents docs and scripts from being
installed.
* Fix SSL wrapper usage example in Factory docstring.
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-irc?expand=0&rev=19