Another Late Release! This Time Extremely Late!

New Features In Int21R3
Added Custom Join And Leave Messages - Configurable Through config.yml, but does not support PAPI yet.
Added Various Internal Changes And Other Things For Int21R4 (First Major Release Since Int21R1)
And More!

Changes In Int21R3
Fixed Bugs (Various)
Removed Checks For ViaVersion, PlotSquared, And ProtocolLib
Changed config.yml a bit
And More!

Technical Changes In Int21R3
Added API -> coming soon
Cleaned up some code
Added some unused classes that are in progress
Changed Source Uploads To Come Directly From IntelliJ
And More!