Argh

There should be nothing in this commit.
Merge branch 'test' of https://github.com/kellyelton/OCTGN into test
Merge branch 'test' of https://github.com/kellyelton/OCTGN into test
Merge branch 'test' of https://github.com/kellyelton/OCTGN into test
Merge branch 'test' of https://github.com/kellyelton/OCTGN into test
added Group.visibility (readonly) and Group.setVisibility(<string>) to the Python API
Removed unnecessary marker error
Removed(sorta) another unnecessary marker error
Tiny .controller issue
Merge pull request #1203 from DarkSir23/test

added Group.visibility (readonly) and Group.setVisibility(<string>) to the Python API