Various bugs fixed:
- Removed some awkwardly confusing code from PluginCommon and implement a bugfix for #7
-- This also led to the Great Missing minlength Mystery
- Fix '' underline text bug introduced by our friend @vemacs
- Removed vemacs's attempt at prefix support in Spout for now. That code's Minecraft-specific.
- Readd p.d.n since it isn't causing issues