Override conf values with right type.

If the value overridden is int, convert new value to int as well.

gitstats

@@ -1086,7 +1086,10 @@ class GitStats:
 				key, value = v.split('=', 1)
 				if key not in conf:
 					raise 'Error: no such key "%s" in config' % key
-				conf[key] = value
+				if isinstance(conf[key], int):
+					conf[key] = int(value)
+				else:
+					conf[key] = value
 
 		if len(args) < 2:
 			print """