Remove labellable_to_stream
Allow dashes in mime type options
Bump version
Merge pull request #204 from llh1/61468062_do_not_display_labellables

61468062 do not display labellables
[#61470008] Removed the container related modules

These modules will be moving to laboratory-app
Bumped the version to 3.1.0.7.0
[#61470008] Removed the container related spec
Merge pull request #205 from ke4/61470008_move_the_container_related_modules_to_laboratory_app

61470008 move the container related modules to laboratory app
Rebase