Mplite

What's Changed
* Add some missing exception info by realratchet in https://github.com/root-11/mplite/pull/15


**Full Changelog**: https://github.com/root-11/mplite/compare/1.3.0...1.3.1

What's Changed
* Re-raise child exceptions by realratchet in https://github.com/root-11/mplite/pull/14


**Full Changelog**: https://github.com/root-11/mplite/compare/1.2.7...1.3.0

What's Changed
* Non-blocking chained execute API by realratchet in https://github.com/root-11/mplite/pull/13


**Full Changelog**: https://github.com/root-11/mplite/compare/1.2.6...1.2.7

Added the ability to have initialization task shared between all workers.
No other API changes.

Fix py311

Changed default behaviour on unix to spawn instead of fork