Improved get_config for lists

corny/config.py

@@ -122,7 +122,7 @@ def check_config(config, section, key, value=None):
 
 cc = check_config
 
-def get_config(config, section, key, alt=None, dtype=None, range=None, types=str):
+def get_config(config, section, key, alt=None, dtype=None, range=0, types=str):
     # return None if item does not exist or is empty
     r = alt
     if section in config:
@@ -138,7 +138,9 @@ def get_config(config, section, key, alt=None, dtype=None, range=None, types=str
                 r = str2dt(r)
             elif dtype==list:
                 r = xsplit(r, range=range, type=types)
-                if not r:
+                if len(r)>0:
+                    pass
+                else:
                     r = []
             elif dtype==bool:
                 r = yesno2bool(r)