update years / need a better way to do this

src/mcmaster/classes.py

@@ -14,9 +14,9 @@ import requests
 import sys
 import copy
 
-fall = "2159"
+fall = "2169"
-spring_summer = "2165"
+spring_summer = "2175"
-winter = "2161"
+winter = "2171"
 
 # threading stuff
 import Queue as q