Fixed rank loading and assignment via GUI interface.

+ Starting with version 0.4, RealPermissions now has a SQL Database.
> The upgrade should transition player data smoothly, but as always it's recommended to make a backup of your plugin folder.
+ Fixed bug where selecting a player in the Player's GUI would select the player that opened the gui.

Fixed Player Tablist name and other bug fixes. For more details, check the GitHub plugin page.

As always, it's best to make a backup before updating the plugin.

+ Added negated permissions. Negated permissions start with "-" of the permission. It's also possible to toggle a permission in the player permissions gui and rank permissions gui.
+ /rp set is now /rp setrank
+ Added Shift-Left click on a player in the player's GUI to change his rank directly.
+ Changed RealPermissionsHookupAPI to RealPermissionsHooksAPI

+ Fixed permissions not being properly removed dinamically via the API.
+ NPE check in Description of Plugin Hook.
+ Cosmetic console startup change.

+ Fixed permissions not being properly removed dinamically via the API
+ Added /rp hookups and /rp hook <plugin>
+ Fixed NPE regarding the absence of description in Plugins and Plugin Permissions when displaying them.
+ Version bump to 0.2.1

+ RealPermissions now has an API available to developers! (You can know more about it on the GitHub page of the plugin.
+ When adding a permission via GUI or Command, it is now possible to see all permissions from the server plugins.

AnvilGUI support for 1.20.2

Activated the Update Checker