real-time-arduino-gps-tracker with your library??

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im trying to do this tutorial 
http://johnslaboratory.com/2012/09/real-time-arduino-gps-tracker-w-iphone-app/ 
its looks like en your library there is no method to send data --> 

 myString.print("AT+SSTRSEND=1,\"devID:");
 myString.print(DEVICE_ID);
 myString.print(",lat:");
 myString.print(flat,DEC);
 myString.print(",lon:");
 myString.print(flon,DEC);
 myString.print(",\"");
 Serial.println(myString);

i need help with this tuto

Original issue reported on code.google.com by alex.vid...@gmail.com on 23 Dec 2013 at 10:46