fixed memory issues, secsgml2 properly implemented

Author: john-friedman

datamule/setup.py

@@ -32,7 +32,7 @@
 setup(
     name="datamule",
     author="John Friedman",
-    version="3.4.0",
+    version="3.5.0",
     description="Work with SEC submissions at scale.",
     packages=find_packages(include=['datamule', 'datamule.*']),
     url="https://github.com/john-friedman/datamule-python",