[TASK] Set version to 5.0.0

[TASK] Set version to 4.2.0

[TASK] Set version to 4.1.0

[TASK] Set version to 4.0.0

[TASK] Set version to 3.4.0, Mark extension as abandoned in composer.…

…json

[TASK] Set version to 3.3.0

[TASK] Set version to 3.2.0

[TASK] respect multiple sysfolders, closes #12

add some documentation

create .gitignore