Bump version to 0.1.5 due to previously broken pypi publishing pipeline.

Merge pull request #12 from LarsHill/support-named-tuples

Support named tuples

Merge pull request #7 from LarsHill/fix-memory-map-reference-bug

Fix copy function and remove slow recursive conversion of newly added nested dict objects

Merge pull request #2 from LarsHill/fix-memory-map-reference-bug

Fix memory map reference bug

Merge pull request #1 from LarsHill/fix-metadict-unpacking-warning

Fix metadict unpacking warning

Updated README