Minor update [1.2]
Many bugs of all types have been fixed, the code has been really optimized and the performance of the plugin has increased, some of the config documentation and default values, as well as fields, have changed, some commands have change the label, and more logging messages have been added. (Click the read more button in the down left corner).

Changelog:

• The code has been optimized, increasing, this way, the overall performance of the plugin.
• Part of the grouping system has been recoded (many methods have been changed/removed). This way, this system is now partially bug-proved.
• Some default values of the config.yml file have changed, as well as the name of some fields. The comments have suffered slight changes.
• The commands /minecord sync and /minecord async have changed are now labeled as /minecord link and /minecord unlink. This way, the reference in the code (config.yml file and permissions) has changed. Check the main page for more info.
• More logging messages have been added, as well as messages have been added when a player's voice chat is disconnected when doing something illegal.
• The data system has suffered some internal changes.
• Now the plugin will kick you from the voice chat if you toggle your voice chat state while chatting.
• The muting system has been fixed.
• The nick system is now bug-proved, and it will not be possible to change linked player nicknames (if the correspondant config option is enabled).
• Now the plugin will detect if the Voice Waiting Channel is deleted and disable, also, it will now delete the voice chat channels properly.
• Now the plugin will disconnect the players from the voice chat channels properly.
• Some of the permissions added by default to chatters in Discord have changed.

WARNING: You must let the plugin generate a new config file. (Delete the previous config file before you install this version of the plugin on your Minecraft server).