Fix the reset for requstIndex.

src/fuzzingtool/conn/Request.py

@@ -185,7 +185,7 @@ def setTimeout(self, timeout: int):
 
     def resetRequestIndex(self):
         """Resets the request index to 0"""
-        self.__requestIndex = 1
+        self.__requestIndex = 0
 
     def testConnection(self):
         """Test the connection with the target, and raise an exception if couldn't connect"""