added buildin variables ${SPACE} and ${EMPTY}, see issue 70
added buildin variables ${SPACE} and ${EMPTY}, see issue 70

ldtri0209/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,waldenner/robotframework,waldenner/robotframework,fiuba08/robotframework,fiuba08/robotframework,waldenner/robotframework,waldenner/robotframework,waldenner/robotframework,fiuba08/robotframework,fiuba08/robotframework,fiuba08/robotframework