Don't allow buying partial item sets via trade signs.
Extend eco disable option to block eco lookups.  This can be required to combat slow SQL economies.
This option is not recommended under normal circumstances.
Don't waste cpu on /baltop if eco is disabled.
This tp req cancel isn't needed anymore.
Add debug output to keyword replacer
Add support for coloured authors on books
Fixes ESS-4690
Use Tamed instead of horse/ocelot/wolf
New enum cached, lazy generated KeywordReplacer
This runs before the pager, so keywords on other pages will still be parsed.
Reimplement 'private' keywords.