Fix some issues related to chat input
- Sent history cursor not resetting after message is sent.
- Text resetting when window is resized or going fullscreen.
- Fix losing text when going through sent history.
Add {$player} parameter to custom pms.
Fix update thread throwing an exception when in a dev environment.
Change to the user dictionary gui.
- Removes lonely '=' from spelling.cfg.
- Only plays click sound when an entry is clicked
Regex saftey for PMs. Also fixes PMs sometimes not being detected.
Lower "Leave bed" button so it's not as likely to be on top of chat.
Close some streams better.
Fix typo in 'To me' regex error log