Update CONTRIBUTING.md
New Random block update tick
Added Player block place/break (to be rewritten soon)
Added AxisAlignedBB::getMixedBoundingBox() (?)
Remove ANSI characters on clean
Send Entity motion, update on schedule
Implemented InventorySourceEntity into HumanEntity
Added player NBT save format, auto-upgrade
Fixed derp
Fixed derp x2
Fixed derp x3
Save correct NBT Compound tag on Level chunk save
Do not sleep on main Thread when actions are being done
Removed not needed network steps, corrected slot methods
Block placement fixes
fixed time not being sent correctly on creative mode the first time
faster packet decode using pure-PHP functions instead of core-PHP ones :P. WTF PHP
go away E_NOTICEs
EventHandler code cleanup
New events, item methods