add more verbose output for parsing DHCP requests if debug

Author: brentru

adafruit_wiznet5k/adafruit_wiznet5k_dhcp.py

@@ -322,8 +322,13 @@ def parse_dhcp_response(self, response_timeout): # pylint: disable=too-many-bran
                 ptr += opt_len
 
         if self._debug:
-            print("Msg Type: {}\nSubnet Mask: {}\n\
-                  DHCP Server ID:{}\n".format(msg_type, self.subnet_mask, self.dhcp_server_ip))
+            print("Msg Type: {}\nSubnet Mask: {}\nDHCP Server ID:{}\nDNS Server IP:{}\
+                  \nGateway IP:{}\nT1:{}\nT2:{}\nLease Time:{}".format(msg_type, self.subnet_mask,
+                                                                       self.dhcp_server_ip,
+                                                                       self.dns_server_ip,
+                                                                       self.gateway_ip,
+                                                                       self._t1, self._t2,
+                                                                       self._lease_time))
 
         gc.collect()
         return msg_type, xid