Change the numerics used by usermode +s
The current ones cause issues with some clients as they are the same as the
ones used by the Charybdis quiet lists.
ChanServ: Add command aliases and a help text
Merge pull request #66 from Heufneutje/fix-umode-s

Change the numerics used by usermode +s
ChanServ: Make the ChanServ user the mode setter and override channel permissions
Merge pull request #65 from Heufneutje/feature-chanserv-tweaks

Various tweaks to ChanServ
Actually super to the unload function that fixes the user issue for services
nickserv: Add a seperate module that implements R:nick extban type
nickserv: Fix some race cdns related to a user logging out mid-operation
nickserv: Fix a silly bug
Make nicklist comparison for R: extban case insensitive