Support for 1.15 server version. Not all features have been tested for compatibility, so count this as dev build for 1.15. This will not have an impact on previous minecraft version support.
Averaging worth value in worth gui to 0.01 and let's avoid some strange long numbers like 1.00000000000000000003 Blame java for not handling double values properly...
Fix for issue with mob heads not being shown properly if you are using not an official launcher (Arrrrr...)
Fix for the issue if you would unjail player and restart server before he joined in, which would keep him in a jail for rest of the time he was originally jailed.
Fix for possibility to spam tpahere command and show multiple request messages for target player
Possible fix for issue when collision for player would be turned off after player returns from vanish mode