The source code for this project was created in Microchips MPLAB IDE (Integrated Development Environment)V8.92, 
available for no charge from their website.  (http://microchip.com)  You can view, modify and build the source code
in this environment.  

Microchip still offers this program but encourages use of their newer IDE, MPLAB X IDE.  A video to assist in porting the code over to the new IDE can be found at:
https://www.youtube.com/watch?v=RyQBlhiSkwAol    