Delimiters now allow being encapsulated within spaces.

Allowed delimiters can now have spaces around them. I.E ' / ' as opposed to just '/'

pattrmm.py

@@ -2366,7 +2366,7 @@ def __init__(self, id, title, first_air_date, last_air_date, next_air_date, stat
 
     try:
         date_delimiter = vars.setting('delimiter')
-        allowed_delimiter_symbols = ['/', '-', '.', '_']
+        allowed_delimiter_symbols = ['/', '-', '.', '_', ' / ', ' - ', ' . ', ' _ ']
         if date_delimiter not in allowed_delimiter_symbols:
             date_delimiter = "/"
     except: