Made the any file extension better.

chipathlon/conf.py

+import string
+
 # Module directory
 job_modules = "jobs/modules/"
 
@@ -61,7 +63,7 @@ file_extensions = {
     "ccat_conf": ["txt", "conf"],
     "log": ["log"]
 }
-file_extensions["any"] = [extension for ext_list in file_extensions.values() for extension in ext_list]
+file_extensions["any"] = list(string.ascii_lowercase)
 
 # list of resources that can be specified per job (step) in
 # the workflow and corresponding Pegasus profile info