Update API to 3.0.X and some cleanup. #315
Pull Request description
This PR will bring PureEntitiesX into compatibility with the API for PocketMine-MP v3.0.X while maintaining a similar experience as the current version.
Large numbers of updates were included to be compatible with the new API.
Additional changes can be identified by their commit messages.
…e with this update in PocketMine-MP: pmmp/PocketMine-MP#2213
…esting the Jumping Animal class.
Now something else is broken: