- fixed ExtendedRichEmbed bug for string.substring if the method doesn't exist on the value
- added log module information to webinterface logs
- changed logging meta module info from `m` to `module`
- Added own logger class that includes the module name
- added unit tests for MessageHandler, Command and Answer
- removed unit tests for GuildHandler and lib/cmd
- removed old command templates
- Added Server Utility Commands
- Removed lib/cmd
- Renamed lib/music
- renamed lib/weblib
- removed command parsing function from GuildHandler
- renamed DJ to MusicPlayer
- updated graphql schema and interface to new names