updated classifier list

Author: chrissimpkins

setup.py

@@ -48,7 +48,7 @@ def version_read():
     keywords='font,typeface,fonts,spacing,line spacing,spaces,vertical metrics,metrics,type',
     include_package_data=True,
     classifiers=[
-        'Development Status :: 3 - Alpha',
+        'Development Status :: 4 - Beta',
         'Natural Language :: English',
         'License :: OSI Approved :: MIT License',
         'Operating System :: OS Independent',