- Add conflict test between ostree sources (#2125655) (jkonecny)
      Related: rhbz#2125655
    - Fix missing seen check for output generation (#2125655) (jkonecny)
      Related: rhbz#2125655
    - Add new ostreecontainer command (#2125655) (jkonecny)
      Related: rhbz#2125655
      Resolves: rhbz#2125655
      Related: rhbz#2125655
    - Check the conflicting commands automatically (vponcova)
    - Fix tests for conflicting commands (vponcova)
    - Add conflicting commands support (bcl)
    - Fix handling of package section arguments in older versions (bcl)