Updated run times and a few typos

Problems/Problem19.py

@@ -168,6 +168,10 @@ class Problem19(Problem):
 		elif((year % 4) == 0):
 			return True
 		return False
+	#Reset the problem so it can be run again
+	def reset(self):
+		super().reset()
+		self.totalSundays = 0
 
 	#Gets
 	#Returns the total sundays that were asked for
@@ -190,5 +194,5 @@ if __name__ == "__main__":
 
 """ Results:
 There are 171 Sundays that landed on the first of the month from 1901 to 2000
-It took 724.930 milliseconds to run this algorithm
+It took an average of 386.694 milliseconds to run this problem through 100 iterations
 """