Channel: Add command @ban hostmask.
i18n: Prevent untranslated strings from having empty translations
Debug: Fix Python 3 compatibility. Closes GH-565.
Plugin: Remove duplicate !list command

It also exists in Misc.
Remove test case for !plugin list
Merge pull request #567 from nyuszika7h/plugin-remove-list

Plugin: Remove duplicate !list command
PluginDownloader: Update URL of my repo

I also kept the old one as nyuszika7h-old for now, as I don't have an
ETA on updating those plugins.
Merge pull request #568 from nyuszika7h/plugindl-update-repo-url

PluginDownloader: Update URL of my repo
Ctcp: Don't reply to malformed CTCP requests
Ctcp: Fix regex for PING

The bot shouldn't treat a request such as "PING1234" as "PING 1234".
Merge pull request #570 from nyuszika7h/patch/ctcp-malformed-req

Ctcp: Don't reply to malformed CTCP requests
Utilities: Add @sort.
Utilities: Use number comparison for integers and floats in @sort.
Fix doc of NestedCommandsIrcProxy.reply.
Fix doc (again).