Breaking Changes:
* renamed Market.generate_schedules to Market.generate_phases
* moved Schedule.list_all to Market.list_schedules
* environment variables now take precedence over the .ini file
Other Changes:
* updated test_release.yml for non-dev dependency test
* updated release.yml to include summary from release_log.txt
* added release_log.txt
* added dev-readme.md, showing set up for dev environment and CI/CD