Betty 0.3.1

What's Changed

• Make sleeping in tests more robust by @bartfeenstra in #1321
• Fix race conditions in HTTP requests to Betty servers by @bartfeenstra in #1322
• Explicitly close orphaned Qt widgets by @bartfeenstra in #1324
• Fix a bug where rate limits would be exceeded by @bartfeenstra in #1325
• Simplify the Command Line Interface tests by @bartfeenstra in #1329
• Support Notes for all entities that have them in Gramps by @bartfeenstra in #1330
• Add the German language to the project classifiers by @bartfeenstra in #1332

Full Changelog: 0.3.0...0.3.1