Change Thread Starter 1.0.4

• Do not adjust the user message count if the thread is in a forum which doesn't count messages.

Thank you @Xon for fixing some bugs with this add-on. The changes in this release are as follows:

• Uses template modification + event hints.
• Respects container viewable permissions
• Updated how search is re-indexed (much simpler).

Fixes errors when changing thread starter from guest

Resolves an error while saving the new thread starter