upping version for release

Author: edsu

setup.py

@@ -7,7 +7,7 @@
 
 setup(
     name = 'microdata',
-    version = '0.5.3',
+    version = '0.5.4',
     description = "html5lib extension for parsing microdata",
     author = "Ed Summers",
     author_email = "ehs@pobox.com",