ONLY WORKS ON SPIGOT 1.9!!!

- v1.3.3.156 - change the updating process and block installing/updating when there is no install.yml due to "update.files" (you can allow this setting and disable automatic updates with updatemode "none" or "announce")
- v1.3.3.155 - remove spectral arrows from the potion meta list, those don't seem to have potion effects
- v1.3.3.153 - try to fix the issue of lounge players not being able to interact where they should
- v1.3.3.152 - try to implement github issue #188
- v1.3.3.151 - add config setting for github issue #188
- v1.3.3.150 - address github issue #131 - if it's not fixed, I at least added debug
- v1.3.3.149 - address github issue #215 by removing a never launched minigame API and make sure to get the proper shortcut name, if possible
- v1.3.3.148 - finally fix github issue #205
- v1.3.3.147 - prevent inventory dropping even if custom class is active
- v1.3.3.146 - found the little bug that caused github issue #205 !
- v1.3.3.145 - partially revert d8d9bf174027aadc6ccd641b6cef7b660f435f25 to address github issue #205
- v1.3.3.144 - potions are operational. Please update your class definitions (if you did not use class chests)
- v1.3.3.143 - please use the same logic for saving and loading
- v1.3.3.142 - potions should work now. Please redo all your potionish classes (potions, splash potions, lingering, arrows, etc)
- v1.3.3.141 - try to fix armor supply
- v1.3.3.140 - properly fix Potion creation/saving broken by Spigot 1.9 API changes
- v1.3.3.139 - properly fix Inventory handling broken by Spigot 1.9 API changes
- v1.3.3.138 - move to Spigot 1.9.4