1.2.0

What's Changed

• Allow passing headers to client.subscribe() by @vrslev in #64
• Use scripts in testing/ as usage examples by @vrslev in #63

Maintenance

• Update development dependencies by @vrslev in #56
• Refactor tests by @vrslev in #57
• Refactor tests (second part) by @vrslev in #58
• Revert tests refactoring by @vrslev in #59
• Allow overriding docker image by @vrslev in #60

Full Changelog: 1.1.0...1.2.0