Add accessor for process-steps in amber
Merge pull request #20 from davidlmorton/master

Add accessor for process-steps in amber
Expose non_contextual_params
Rename _saved_file_names to saved_outputs
Actually verify the files in the workspace
Rename for clarity and remove redundant validation
Expose non_contextual_inputs
Handle translating and saving array inputs and outputs
Merge pull request #21 from davidlmorton/master

Handle array inputs and outputs properly
Better error messages if there is a workflow mistake that causes Moose type constraints to be violated