Add note about SL 4.4

Author: aaltat

README.rst

@@ -222,6 +222,7 @@ SeleniumLibrary 3.2                 Selenium 3                  Python 2.7 and 3
 SeleniumLibrary 4.0                 Selenium 3                  Python 2.7 and 3.4+         Plugin API and support for event friging webdriver.
 SeleniumLibrary 4.1                 Selenium 3                  Python 2.7 and 3.5+         Drops Python 3.4 support.
 SeleniumLibrary 4.2                 Selenium 3                  Python 2.7 and 3.5+         Supports only Selenium 3.141.0 or newer.
+SeleniumLibrary 4.4                 Selenium 3                  Python 2.7 and 3.6+         New PythonLibCore and dropped Python 3.5 support.
 Selenium2Library 3.0                Depends on SeleniumLibrary  Depends on SeleniumLibrary  Thin wrapper for SeleniumLibrary 3.0 to ease transition.
 ==================================  ==========================  ==========================  ===============
 

setup.py

@@ -37,7 +37,7 @@
     keywords         = 'robotframework testing testautomation selenium webdriver web',
     platforms        = 'any',
     classifiers      = CLASSIFIERS,
-    python_requires  = '>=2.7.*, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4',
+    python_requires  = '>=2.7.*, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*, <4',
     install_requires = REQUIREMENTS,
     package_dir      = {'': 'src'},
     packages         = find_packages('src')