Allow setting a limit of less than 64 entries for non-ban listmodes via <banlist>

Fixes regression introduced in 234be2f3cb
Fix modulemanager not being able to download modules (again!).
Merge pull request #945 from SaberUK/insp20+even-more-module-manager-fixes

Fix modulemanager not being able to download modules (again!).
Remove formatting from the IRC link in README.md

It does not work, people don't see the address on the page