WorldTool

The reason this update exists is because it fixes a lot of bugs and contains a lot of improvements.
I still have more features planned for version 0.6, so this serves as a sort of in-between version.

- Added generation tool for generating shapes
- Fixed a lot of multiplayer issues
- With the non-general tool block picking, more blocks can now be picked
- A tool's actions are now shown in the tooltip
- Sneaking and throwing the general tool is now an alternative way to open the menu
- UI changes and fixes
- You can now select which alternating axises checkered uses
- You can now disable updating the brush block every time the brush is used, which causes there to be less latency when using it
- The [Options] button now shows up without needing both pos
- Added command functionality for command block chain and structure corner
- Added more error messages (yay!)
- Added an option to show a progress bar
- Added an option for performance warnings
- Added an option for making the space between menus a lot smaller
- Added an option for displaying a reload message
- Many bugfixes
- Many reworks
- Performance improvements
- Compatability improvements