Start: 9:40

• including math.h in the main sketch fixed the mysterious bad call to the round function.
• To make libraries which use the arduino core functions, the WProgram.h has to be included
• If your library uses any of the extended arduino libraries, you have to include them in both sketches
• Slowly fixing run time errors for sound and messaging classes.
• Was reminded that you can not do anything in the constructor of a class on the arduino side.  Instead you have to have a separate init method.

end: 6:00