Release 0.1.4

This adds in PR: #4 to the 0.1.4 release.

Additional Endpoint Support / Testing Enhancements

• This adds support for aggregate and volume capacity and utilization endpoints via the get_volume_metrics and get_aggregate_metrics methods
• Improves test coverage
• Enhances documentation and example scripts

Rename: OnCommand Unified Manager (OCUM)

• Renames from netapp-uom to netapp-ocum to reflect the correct acronym for the service.

Testing / CI Integration

This includes as much test coverage as possible, and integration with CI.