Prepare For Release (2.6)

Merge pull request #117 from SkriptLang/patch/fix-null-listening-beha…

…vior

Fix NPE on default case of listening behavior

Merge pull request #116 from SkriptLang/feature/2.9

2.9 support

Merge pull request #83 from SkriptLang/prep-for-2.4

Prepare for 2.4 release

Update gradle.yml so I don't have to change version each time there too

Implement ExprPlugin (#49)

Co-authored-by: TPGamesNL <pet.teun.03@gmail.com>

Update version to 2.2.3

Update version to 2.2.2

Prepare for release

License update