version bump

Author: stevenweaver

setup.py

@@ -53,7 +53,7 @@
 
 setup(
     name='bioext',
-    version='0.20.3',
+    version='0.20.4',
     description='Misc utilities and definitions not included or hidden in BioPython',
     author='N Lance Hepler',
     author_email='nlhepler@gmail.com',