Fix problem with setuptools.setup for pypi upload

Author: Matt Boran

setup.py

@@ -16,7 +16,7 @@
     classifiers=[
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: MIT License",
-        "Operating System :: OS Independant",
+        "Operating System :: OS Independent",
     ],
     install_requires=[
         'colorama',