Features
* added license ([57a4c5e](https://github.com/xyngular/py-xsettings/commit/57a4c5e7bbccb91aad57259fb26f27d69e0d5c9c))
* basic support for multiple retrievers, parent retrievers. ([446e52b](https://github.com/xyngular/py-xsettings/commit/446e52bc628b589c4e95aa66b7f0c7086b94d91b))
* cleanup, polishing and adjustments to docs. ([bc665d1](https://github.com/xyngular/py-xsettings/commit/bc665d11dcd56673550f6bbee562b236b936bafc))
* initial code. ([20d09e4](https://github.com/xyngular/py-xsettings/commit/20d09e46d36549c88012debb2774d34c551dca3c))
* move retrievers into separate module; look at parent dependency instance for values. ([b296850](https://github.com/xyngular/py-xsettings/commit/b296850a142744f231ae66c862b8015ff7e8b76c))
* Moving exception to errors.py; added initial documentation; added workflow. ([310143a](https://github.com/xyngular/py-xsettings/commit/310143a71a556838961e5821fdc7c8ea77879a6b))
* support inheriting from other Settings, better support for multi-inheriting from Plain classes. ([933b854](https://github.com/xyngular/py-xsettings/commit/933b8542d013fa4a7b095514fd30942bc5489b45))
Documentation
* final doc improvements. ([849b993](https://github.com/xyngular/py-xsettings/commit/849b9935635b0cf606af25ece651e69055703ccf))
* readme doc into update. ([2e7f105](https://github.com/xyngular/py-xsettings/commit/2e7f1050a7816cbd0a007fc18ff1445f92fddf49))