Fix an issue when breaking a bloc without the appropriate tool wont stop the event.

Easy fix by yourself : replace "mine" by "break" and tada !

Added a variable "prefix" so you only have to change it once.
Added a variable "server" for your server name.


Have a look to my new ressource "Survey" :
https://www.spigotmc.org/resources/useful-survey.89771/
To make your players vote for ideas !