Release v2.0.18
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
Add missing oper-only commands to oper class blocks
Make some config strings a bit more professional and use RFC reserved TLD's everywhere
Updated inspircd init script template to make it chkconfig compatible.

Backported from master, PR #901
Fix a couple of helpop issues

Fixes issue #949 reported by @webczat
Validate module reload callback before use in PURE_STATIC builds
Don't submit a reload worker if the module doing the reload is scheduled for unload