Added ability to set a history collection as an input to a workflow
Added code to setup extra tools for testing
Adding a test for running a workflow with a collection of files.  Fails currently
Got inputs working for workflow
Workflow with collections list now passes
Testing failure to run collection workflow
fixing indentation
Fixing some indentation
Merge pull request #16 from apetkau/collections/workflow-inputs

Adding code for running workflows with dataset collections
Fix link in readme.