Changed if / elseif checks for command checking into a switch case to improve performance overall.
Updated Twitch API to new helix API. Twitch accounts will need to be removed and re-added in order to be functional again.
Reduced verbosity in logging to reduce memory consumption
Fixed logging of edited and deleted messages
Fixed broken Mixer logo on embeds
Added logging for when a member leaves a server
Removed unnecessary print() calls used for debugging
