Move RefreshChunks setting from hidden.yml to config.yml

Adds #2213
Use provided instead of compile
Seperate pools for essential tasks like profile loading and profile saving.
Prevent players from having more than one database querying command running at once.
Use correct element
Added options to experience.yml for Dirt and Sand variations

Adds #2194
More relevant donation information
Add checks for loaded/unloaded profiles in commands
Use a placeholder value. Fixes #2216 #2221
Close the statement here as well
Added API to ExperienceAPI to get the amount of XP needed for a level
Cleanup the changelog
Should fix #2223 for realz this time.
Better connection validation for us.
This was supposed to be a zero.
This seems easier.
Fixed bug with new Death API
Add new ExperienceAPI method to specify if XP can be shared
Make sure that player has McMMOPlayer object before calling API
Fixed bug where processing message would always get displayed

and the player could never execute /mctop or /mcrank if chat display
was disabled.