fix bug where list-units ignores .service files of container with a dot in their names
Preserve env on invoke of tests
Merge pull request #201 from derekwaynecarr/preserve_env_tests_invoke

Preserve env on invoke of tests
Merge pull request #191 from davidpelaez/list-units-with-dot

fix bug where list-units ignores units of container with a dot in the name
Add debug support for contrib/test
Merge pull request #204 from pmorie/debug

Add debug support for contrib/test
Prevent discarding of the result channel in *UnitJob