- Fixed a bug stopping the FluidListener from working
- Fixed a bug relating to the FluidCommand class
- Removed accidental debug message in FluidCommand class
- Added some new methods to the Group class

Please note: since this API is still in heavy development, upgrading to a newer version could break your project's imports. You can choose to update to this version by changing the dependency version number to beta-0.6.3. If you wish to automatically update every time an update is released, change the dependency version number to main-SNAPSHOT.