Package Manager-enabled release

This release supports installation via the Community Package Manager (as well as .
Also fixes a number of usability, compatibility, and performance issues based on our use cases within InterSystems.
Versioning matches our internal versioning changes for the module.

Initial release, as demonstrated at Global Summit 2018

Includes test coverage measurement, a simple UI, and Cobertura-style export for package/class/method/line coverage and cyclomatic complexity.