• 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