* Handle missing cogs correctly, add some helpful algorithms
For cog loading, only show "cog not found" if the module in question was the one
that failed to import. ImportErrors within cogs will show an error as they should.
- deduplicator, benchmarked to be the fastest
- bounded gather and bounded async as_completed
- tests for all additions
* Requested changes + wrap as_completed instead
So I went source diving and realized as_completed works the way I want it to,
and I don't need to reinvent the wheel for cancelling tasks that remain
if the generator is `break`ed out of. So there's that.
* [V3 Utils] start on a menu system
* Fix conflicting names
* [V3 Menus] change order of default controls
* [V3 Menus] add a message check to the react check
* Add a note about original source and who ported
* Compare message ids, not the objects themselves
* More docstrings
* still not ready...
* push this untested pile of code.
* working, menu needs cleaning up though, modlog converter not here yet
* menu cleanup
* add note about the fact that values are overwritten
* add i18n
* User friendlier quitting
* Better naming of a function
* setup automodule for dataconverter
* More documentation
* use Config.MEMBER (etc) instead of 'MEMBER' (etc)
* Docstrings for chat formatting
* Docstrings for mod utils
* Type checking
* Override CSS to highlight object name in definition
* More typing
* Utils docs pages
* Fix typo here
