0.10.0

Added

• Added helper function to access optional properties from elements, return a supplied default value if it hasn't been set
• Add utility functions to (re-)calculate block format durations
• Added adm::ReaderOption to select AudioFormatExtended node search mode

Changed

• Use Catch2 instead of Boost.Test for unit testing
• Refactored XmlParser tests to use separate files for test data
• Improved search for AudioFormatExtended node when parsing XML

Fixed

• Documentation fixes and clarifications
• Fixed visibility issues of some methods that prevented linking with the shared library