[0.1.0] Migrate to null safety Apply changes from Flutter v2.0.2 [0.0.4+1] Fix compilation error for newer Flutter versions [0.0.4] Apply changes from Flutter v1.22.5 [0.0.3] Apply changes from Flutter v1.17.1 [0.0.2] Apply changes from Flutter v1.12.13 [0.0.1] Initial release.