Merge pull request #60 from CoLearn-Dev/pom-updates

POM: change storage location; pull docker image

Merge pull request #58 from CoLearn-Dev/fix-pom-upgrade

Util update: fix "upgrade" param in POM start_po; add server starting prompt; redis server external access

Merge pull request #55 from CoLearn-Dev/pom-updates

POM: support docker, allow external source

Merge pull request #53 from CoLearn-Dev/default-params

Add default params for usability

Merge pull request #52 from CoLearn-Dev/support-call-forwarding

Call forwarding

Merge pull request #51 from CoLearn-Dev/support-macos

Support macos - redis

Merge pull request #50 from CoLearn-Dev/fix-redis-stream

Fix redis stream and add macOS release

Merge pull request #49 from CoLearn-Dev/redis-stream

MQ alternative: redis stream

Merge pull request #48 from CoLearn-Dev/fix-create-task

fix create_task

Merge pull request #47 from CoLearn-Dev/updates

Update toolchain and dependencies; add musl release