v3.8

Fixed bug in FindElementsFromShadowRoot method of WebDriver class [@6DiegoDiego9]
Implemented new headless mode for Chrome browser - see issue #78 concerning Edge browser
Fixed bug in RunIncognito method of WebCapabilities class (IE browser not set correctly)
Removed error trap for Firefox browser in GetArialRole and GetArialLabel methods of WebDriver class (supported for Geckodriver v0.33.0 and Firefox browser v113)
Removed comment in PrintPDF method of WebDriver class warning that the PrintPDF method only applies to headless mode - this condition is no longer necessary.
Modified test_Print module to reflect the changes in PrintPDF