Merge branch 'release/3.1.20' into develop
Fixes for open_basedir or safe mode enabled servers with s3
Range filtering fix when empty values
Merge branch 'develop' of https://github.com/JOOlanders/ZLFramework into develop
Task dist added
Installer lang issue fixed
Enviroment helper name changed to Environment. Removed zl extensions mention from environment path.
Environment call updated. #32
Bumped version/changelog
Merge branch 'release/3.1.21'