merge with upstream master

helix/helpers/camel_case.py

@@ -0,0 +1,16 @@
+import re
+
+
+def convert_camel_case_to_snake_case(name):
+    s1 = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
+    return re.sub('([a-z0-9])([A-Z])', r'\1_\2', s1).lower()
+
+
+def convert_dict_keys_to_snake_case(a_dict):
+    new_dict = {}
+    for old_key in a_dict.keys():
+        new_key = convert_camel_case_to_snake_case(old_key)
+        new_dict[new_key] = a_dict[old_key]
+    return new_dict
+
+