Update setup.py (#64)

Author: pbstark

setup.py

@@ -53,7 +53,7 @@ def parse_requirements_file(filename):
         download_url=DOWNLOAD_URL,
 
         classifiers=[
-            'Development Status :: 4 - Alpha',
+            'Development Status :: 4 - Beta',
             'Environment :: Console',
             'Intended Audience :: Developers',
             'Intended Audience :: Science/Research',