Use regular queue, use flush thread per process, delay worker init

[curusarn]

Use regular queue, use flush thread per process -> general changes to make this work better with serverless

Delay worker init -> Fixes issues with logtail-python on Render

[curusarn]

The tests are passing - there are no errors in the Job logs. I don't know why GitHub is not marking them green.

[evanmays]

Looks like forgot to bump version number here https://github.com/logtail/logtail-python/blob/master/logtail/__init__.py

[evanmays]

Were the Logtail on render bugs documented anywhere? Why delay the worker?

[curusarn]

Were the Logtail on render bugs documented anywhere? Why delay the worker?

We were restarting threads by calling start() on them. On Render.com, it's common for threads to be stopped, so we were seeing threads can only be started once errors. Now we create a new thread object when restarting it instead of reusing the same thread object.