Panda3d-kivy

What's Changed
* Fix textinput crash bug. by DylanCheetah in https://github.com/Cheaterman/panda3d-kivy/pull/26
* Fix custom spinner crash bug. by DylanCheetah in https://github.com/Cheaterman/panda3d-kivy/pull/28

New Contributors
* DylanCheetah made their first contribution in https://github.com/Cheaterman/panda3d-kivy/pull/26

**Full Changelog**: https://github.com/Cheaterman/panda3d-kivy/compare/v0.5.1...v0.5.4

[Fix Windows compatibility for Kivy >= 2.2.0 again](https://github.com/Cheaterman/panda3d-kivy/commit/2df9fc15aae396dc62373281cbd22f9e241ec648)

[Fix Windows support for Kivy >=2.2.0](https://github.com/Cheaterman/panda3d-kivy/commit/0b6522fe097564eff2c37c0e0d4363f2989301fd)

This release finally fixes 22 (and more generally Kivy >=2.1.0 compatibility). Thanks to everyone who participated in the issue for their help and patience!

This release (finally) fixes the long-standing bug 10 !