Orchestrator parameters

[Carsonthemonkey]

Overview

Added functions for parsing, serializing, and validating a series of Orchestrator actions

Ticket

Pivotal Ticket

Contributions

• Adds function for parsing string of actions into a list of tasks (actions are not defined as anything beyond task types as of now)
• Adds function for validating that string of actions is in the correct format
• Adds function for converting a list of tasks into an action string

Test

• Adds unit test for parsing a single action, multiple actions, and invalid actions
• Adds unit test for serializing a single action and multiple actions
• Adds task for validating valid and invalid action strings

Documentation

• Functions are documented with docstrings

Changelog

• changelog updated

[lawhead]

The code looks good. I would just like some things named a bit differently to clarify the intent.

[lawhead]

Try to get the checks passing before merging. I think there are some typing issues to address.