Added extra_command_formats to 'program' definition.
Now raises ProgramExistsError
Updated /media/ahayes/data/workspace/supervisor-confator/VERSION and /media/ahayes/data/workspace/supervisor-confator/CHANGELOG.md
Merge branch 'release/0.3.0'
Merge tag '0.3.0' into develop

release/0.3.0 0.3.0