update status

Author: serderovsh

setup.py

@@ -69,7 +69,7 @@
     zip_safe=False,
     python_requires='>=3.5.3,<4',
     classifiers=[
-        'Development Status :: 3 - Beta',
+        'Development Status :: 3 - Alpha',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
         'Natural Language :: English',