Initial commit
Threading works, drawing lag is limited to none. getting flickering in
drawing and nullpointexceptions.
converted to swingworker

Bug: index out of bounds at core.paintComponent 71
converted to swingworker

Bug: index out of bounds at core.paintComponent 71
Merge remote-tracking branch 'origin/threading' into threading
added mouse dragging and a nullpointerexception catcher in
Core.paintComponent
hashmap
fixed an error on additions to chunk, produces concurrency errors.
Fixed Concurrency, threading now seems to be working, albeit the code
should be cleaned up and streamlined.
Merge branch 'threading' into development

Conflicts:
	Background.java
	Core.java
	Main.java