ticket fixes

Fixes for the ticket system by @TheMoksej

Ticket fixes

• This catches any issues with the close ticket command and reports them properly

v1.1.3-Release

• Fixed on member join db req stuff .find() -> .find_one()
• Made message history's message id be added in the db on closure (useful in future)

v1.1.2-Release

• Forgot format string for channel topic URL

v1.1.1-Release

• Channel topic now contains listing URL
• Ticket embed footers now contain bot ID

v1.1.0-Release

• Ticket system
• Update error messages
• On join bug fixes

v1.0.0-Release

Update utility.py

v1.0.0-Beta.3

• Tom fixed a lot of things, however I had to temporarily not use his help cog
• idk

v1.0.0-Beta.2

• Switched to motor from pymongo
• Commands will work on message edit (etc)

v1.0.0-Beta.1

Wrote DEL's Bot for v5 in discord.py (Python)!

Commands so far:

• token

• botinfo

• userinfo

• help

• jsk (from jishaku)