Redbeat Versions Save

• BREAKING, drop for support for EOL Python < 3.8
• log message cleanup, thanks @joekohlsdorf
• ensure lock is owned before releasing, fixing #223, thanks @michaelbukachi
• fix #238, #208, failure to aquire lock on startup leads to multiple task executions, thanks @Junzki, @nicklyra, @nigel-gott
• Add options support for RedBeatSchedulerEntry, thanks @anton-petrov

• minor breaking changes due to reworked API
• celery 4.x support
• python 3 compatability, thanks Christopher Arndt
• be more consistent about using UTC everywhere
• various bugfixes, thanks Christopher Arndt
• improved configuration handling, thanks Jannis Leidel

Initial release of celery-redbeat