Fix empty list elements when the XML list ends with a space

This resolves an issue where an Exception is raised because '' can't be converted to float

src/dccXMLJSONConv/dccConv.py

@@ -202,7 +202,7 @@ class dcc():
                 forceArrayTopLevel = True  # set flag to force the top level to be an array
             if node.tag.split('}')[-1] in spaceSeperatedFieldNamesAndTypes:
                 try:
-                    splitted=node.text.split(' ')
+                    splitted=node.text.strip().split(' ')
                 except:
                     print("DEBUG")
                 if spaceSeperatedFieldNamesAndTypes[node.tag.split('}')[-1]]=='float':