Refs #74 - Create nested property setter util.
Refs #74 - Create nested property getter and rename util.
Refs #74 - Convert text input component to controlled.
Refs #74 - Convert select input component to controlled.
Refs #74 - Update jest version.
Refs #74 - Create mixin to determine if a param is a hash or array.
Refs #74 - Update nested property handler to handle undefined properties.
Refs #74 - Refactor params list component to use recursion rather than subcomponents for rendering params.
Refs #74 - Modify method component to hold the current request body as state.
Refs #74 - Extract sub-method. Throw error if config malformed.
Refs #74 - Delete unused component.
Refs #74 - Update GitHub config files.
Refs #74 - Display hashes in arrays.
Refs #74 - Add remove method in nested property handler.
Refs #74 - Default to empty array when rendering hash array params.
Refs #74 - Add removal button for array elements.
Refs #74 - Move appropriate methods from mixin into component.

Extract new methods to clean up.
Refs #74 - Remove unnecessary method. Rename method.
Refs #74 - Fill out documentation for create tree GitHub endpoint.
Refs #74 - Modify oauth form to use controlled text input components.