Very minor mod to prtDataSetClass to help with loading and saving.
Very minor mod to prtDataSetClass to help with loading and saving.

git-svn-id: 1ed0949c3651f86f1495baa0e350d2c4b3e52c6c@131 0c11b213-6b92-4ae5-b10c-e53e59125080

covartech/PRT,jpalves/PRT,covartech/PRT,jpalves/PRT,jpalves/PRT,jpalves/PRT,jpalves/PRT,covartech/PRT,jpalves/PRT,covartech/PRT,covartech/PRT,covartech/PRT