Notify user to enable MESSAGE_CONTENT intent

Possible fix for exception on player join/leave, added api version, u…

…pdated pom dependencies, version bump

Merge pull request #56 from Xyntexx/feature/slashcommands

Feature/slashcommands

version bump

on-whitelist command's %PLAYER% variable is no longer converted to lo…

…wercase to fix compatibility with case sensitive commands

Allow 'show-warning-in-command-channel' to run even when 'remove-unne…

…cessary-messages-from-whitelist-channel' is set to false

removed unneeded class

Create codeql-analysis.yml

Added !whitelist clear command for limited whitelisters, changed logg…

…ing solution to logback, re-shaded deps

fix for startupmembercheck removing people still in the guild