Add and update scripts, finished Sumter

threaded.py

@@ -14,6 +14,13 @@ TODO:
 - handle polygons properly (on previous geojson step?) for circular roads
 - ignore roads that aren't LIFECYCLE ACTV or Active
 - include OneWay=Y
+- handle C 44a -> County Road 44A
+- handle Tpke -> Turnpike
+- handle Trce -> Trace/Terrace?
+- handle Cor -> Corner
+- handle Obrien -> O'Brien
+- handle Oday -> O'Day
+- Ohara -> O'Hara
 """
 
 import json