Py-selenium-auto

* Updated py-selenium-auto-core==0.5.2
* Added method to get xpath for non-supported elements using JS via ElementFactory
* Added methods to create elements via ElementFactory
* Fixed imports
* Added tests for checking Forms, Elements, ElementStateProvider, ElementFactory

* Updated py-selenium-auto-core==0.5.1
* Added pytest-xdist==3.3.1 to run the tests in parallel
* Fixed incorrect logic for some objects
* Added CoreForm and Form implementations
* Added tests for checking Forms, JsActions and Elements

* Updated py-selenium-auto-core==0.5.0
* Added new elements: Element, Button, Link and other
* Added ElementFactory
* Added JsActions

* Updated py-selenium-auto-core==0.4.4
* Updated BrowserService and ServiceProvider

* Updated setting's format
* Updated requirements.txt
* Added BrowserNavigation
* Code refactoring. Renamed BrowserService to BrowserServices
* Added documentations for methods and classes

* Updated dependencies due to package renaming