Add clean function in SpeciesData

speciesData.py

@@ -17,7 +17,7 @@ class SpeciesData:
 
     def clean_string(string):
         if not string is None and string != "":
-            clean_string = string.replace(" ", "_").replace("-", "_").replace("(", "").replace(")", "").replace("'", "")
+            clean_string = string.replace(" ", "_").replace("-", "_").replace("(", "").replace(")", "").replace("'", "").strip()
             return clean_string
         else:
             return string