Update version

Author: leogregianin

setup.py

@@ -6,7 +6,7 @@
 
 setuptools.setup(
     name="PyNFe",
-    version="0.5.2",
+    version="0.5.3",
     author="TadaSoftware",
     author_email="tadasoftware@gmail.com",
     description="Interface library with the Brazilian Electronic Invoice web services",