KQ8: Add .vol handling
Kq8: Implement loadVolume primitive
KQ8: Change random source name
KQ8: Implement deleteObject primitive
KQ8: Implement running of .cs files
KQ8: Directly make _cons and _alt for Ifstatement
KQ8: Raise error when script is not found
KQ8: Add stack of currently executing scripts
KQ8: Implement set primitive
KQ8: Allow both .vol and loose files