First, basic implementation of the runner
Change working directory to Tempest's
Include the commands to run tests
Place framework run within the context of a built environment
Carry over staged environment into the Tempest run
Filter roles for 'Member'
Reference self in findresource()
Rename variables
Add type
Fix typechecking once and for all
Merge pull request #3 from jpmontez/runner

Add basic runner functionality