* add baseline tests
* coerce empty strings to null when updating parameter values
* add ParameterIncludeEmpty
* add redux management for empty parameter value inclusion state
* use name+in keying for state management instead of hash keying
* update new redux method usages to name+in keying
* coerce empty Immutable iterables in onChangeWrapper
* OAS3 tests & support
* add included empty parameters to requests before dispatching to Swagger Client
* make empty inclusion interface prettier
* add tests for #4587
* linter fixes
* check for truthy value before reaching into property
* allow param update by identity + hashed value storage
* add specActions.changeParamByIdentity
* add identity-based lookup support in spec selectors
* migrate `changeParam` usage to `changeParamByIdentity`
* migrate usage of `parameterWithMeta` to `parameterWithMetaByIdentity`
* update invocations of `changeParamByIdentity` to match fn signature
* use OrderedMap throughout hash-based selectors for consistency
* normalize usage of ParameterRow `onChange`
* migrate bug 4557 tests to reflect new ParameterRow interface
* remove exclusive test blocks
* linter fixes
* copy Parameters changes into OAS3 wrapper
* use rawParam for meta lookups in ParameterRow
* Remove produces/consumes setter from OperationContainer
* Store consumes/produces information in `meta` key
* Migrate produces value state usage to `meta` key
* use meta consumes data for isXml check
* Fix failing tests
* normalize action name casing
* restore correct produces fallback value logic
