Udpate classification

Author: feynmanliang

setup.cfg

@@ -10,14 +10,15 @@ long_description = file: README.md
 long_description_content_type = text/markdown
 platforms = any
 classifiers =
+    Development Status :: 2 - Pre-Alpha
     Topic :: Utilities
     Programming Language :: Python
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Environment :: Console
     Topic :: Utilities
     Intended Audience :: Developers
-    License :: OSI Approved :: Apache Software License v2.0
+    License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
     Operating System :: Unix
     Operating System :: MacOS