Qe-api-client

Changes:
- Some new methods.

Changes:
- New method "get_variable_by_id".

Changes:
- New method "create_master_measure".
- Code Rework.
- Examples.

**Full Changelog**: https://github.com/lr-bicc/qe-api-client/compare/v2.2.0...v2.3.0

Changes:
- New method "create_single_master_dimension".
- Code Rework of the select methods.

**Full Changelog**: https://github.com/lr-bicc/qe-api-client/compare/v2.1.0...v2.2.0

Changes:
- New method to get content of created hypercube.
- Code Rework

**Full Changelog**: https://github.com/lr-bicc/qe-api-client/compare/v2.0.0...v2.1.0

Changes:
- General code and structure rework..
- New method "get_chart_data".
- API client documentation created.

**Full Changelog**: https://github.com/lr-bicc/qe-api-client/compare/v1.2.0...v2.0.0