src - Set project status to beta

Author: phibos

setup.py

@@ -23,7 +23,7 @@
     zip_safe=False,
     author=about["__author__"],
     classifiers=[
-        "Development Status :: 3 - Alpha",
+        "Development Status :: 4 - Beta",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",