Fixes some outstanding issues with error checking on specifying inputs and outputs. Now defaults more to warnings except in cases where things would really break for sure and won't print warnings when only one stage has been added. Also fixes bug where if not specifying outputs jobs would be skipped...
Fixes some outstanding issues with error checking on specifying inputs and outputs. Now defaults more to warnings except in cases where things would really break for sure and won't print warnings when only one stage has been added. Also fixes bug where if not specifying outputs jobs would be skipped...

andrewhill157/easygrid