Merge branch 'release/0.1a2'

* release/0.1a2:
  Bump version, update docs.
Bump version.
Extend test coverage.
Rename LanguageSection to LanguageRoot to better fit the implemented INavigationRoot interface name.
Bump version.
Merge branch 'release/0.1a3' into production

* release/0.1a3:
  Bump version.
  Rename LanguageSection to LanguageRoot to better fit the implemented INavigationRoot interface name.
  Extend test coverage.
  Bump version.