4.1.0

Fixed bugs #46 and #68 as well as some other regressions and instabilities introduced in the hurry to get out 4.0.0, because JAXB 4 compliance was to priority.
Added more test cases and improved @at055612 s test runner class to regularly run for test runs.
Some minor code cleanup as well.

Full Changelog: jaxb2-rich-contract-plugin-4.0.0...4.1.0