added .PRECIOUS to example and tests in Makefile to avoid deleting source on interrupts
added .PRECIOUS to example and tests in Makefile to avoid deleting source on interrupts

AlloSphere-Research-Group/AlloSystem,AlloSphere-Research-Group/AlloSystem,AlloSphere-Research-Group/AlloSystem,AlloSphere-Research-Group/AlloSystem,AlloSphere-Research-Group/AlloSystem