This update took a while due to work commitments but here we are!
With this update you get the following changes.

Minor fixes and changes:

• Avoids spurious extra errors if database connection fails.
  
• Now uses fixed inventory slots for boost stick and instruction book

New and modified commands:

• '/boost showgameconfig' shows game configuration in chat rather than looking in config.yml.
  
• '/boost end' modified to not stop games auto-queuing (use '/boost stop' for that).
  
• '/boost queue *' sets all games into queuing state.

Reward your donors with fancier tools:

• Permissions based boost sticks. Set boost_sticks.random to false. Sticks lower in the section are considered better.

Easier and bundled translation. Now if someone makes a translation I can bundle it and you can switch to it in game.

• '/boost language' switches languages in game.
  
• Chinese translation bundled.

Now tested and approved on versions back to 1.12.2.

• Support extended back to 1.12.2 and later.
  To work properly on 1.12.2 you'll need to change some material names and sound names in the configuration files to 1.12.2 versions.

In this update the configuration files are re-arranged a fair bit to facilitate language switching.

• Boost sticks move from config.yml to their own configuration file, boostSticks.yml.
• Sign text moves from config.yml to messages.yml.

The plugin will identify the previous configuration and create files and move configuration sections for you. You should not need to do any manual editing.