v1.0 - Malmö

As the 1.0 version indicates, I consider this fully usable now.
Enjoy!

Fixed in this release

• pointer handling (works only for struct fields by now)
• You can perform on the fly case convertions so your environment vairables can be all upper/lower case

see TODO.md

Test coverage: 85.1 %

v0.9 - Hamburg

Fixed in this release

• Export a Parse method on the parser
• Expand env vars in string types
• allocate/make nil maps and slices
  see TODO.md

also extended / clarified documentation and added more examples

Test coverage: 85.6%

v0.8 - Kopenhagen

Functionality for practically all use cases is there.
Minor cleanups remain before this can be called a v1.0.
see TODO.md

Test coverage is 85.1%.