adds python3.9 to classifiers and bups up version. by Giles and Filip

Author: filiplajszczak

setup.py

@@ -9,7 +9,7 @@
 
 setup(
     name="pythonanywhere",
-    version="0.9.8",
+    version="0.9.9",
     description="PythonAnywhere helper tools for users",
     long_description=long_description,
     long_description_content_type="text/markdown",
@@ -22,6 +22,7 @@
         "Intended Audience :: Developers",
         "Topic :: Software Development :: Libraries",
         "License :: OSI Approved :: MIT License",
+        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.6",