* Move ignored guilds and channels to core
Add caching for ignored guilds and channels
Add caching for whitelist and blacklist
Fix#3220
Add consume-rest for whitelist and blacklist commands to add multiple users or roles in one command
* Add ability to ignore channel categories
* black
* moveignorechannels should be owner only and cleanup changes
* add changelog entries
* address Feedback
* Cache prefixes
- This works towards #3148
- Ends up centralizing some logic
- Including that prefixes should be a reverse sorted list
* handle global prefix attempts at none
* fix prefix set for server
* cache using guild id
