Amulet-map-editor

This version adds support for block rotation and mirroring when pasting a structure.

This has been requested many many times and it is finally here

**Full Changelog**: https://github.com/Amulet-Team/Amulet-Map-Editor/compare/0.8.21...0.9.0b0

* Updated to new rewritten cython NBT library.

Experimental features. Create backups of your world before using.

* Added cython mesh generator 392
* Improved world closing 570
* Improved threading 571

Amulet-Core Changes
* Added a cython leveldb wrapper for a bit more speed https://github.com/Amulet-Team/Amulet-Core/pull/177
* Rewritten the Java chunk interfaces to make maintenance much easier https://github.com/Amulet-Team/Amulet-Core/pull/176
* Added in temporary low level entity support (Requires activating with the `--experimental-entity-support` command line input)

**Full Changelog**: https://github.com/Amulet-Team/Amulet-Map-Editor/compare/0.8.19...0.9.0a1

* Added cython mesh generator 392
* Improved world closing 570
* Improved threading 571

Amulet-Core Changes
* Added a cython leveldb wrapper for a bit more speed https://github.com/Amulet-Team/Amulet-Core/pull/177
* Rewritten the Java chunk interfaces to make maintenance much easier https://github.com/Amulet-Team/Amulet-Core/pull/176
* Added in temporary low level entity support (Requires activating with the `--experimental-entity-support` command line input)

**Full Changelog**: https://github.com/Amulet-Team/Amulet-Map-Editor/compare/0.8.19...0.9.0a0