Added a little optimization. Calls to certain functions can now be
treedb552692021cfcdcc33284738f38a63a58846433
-rw-r--r-- 10099 library.scm
-rw-r--r-- 61470 picobit-vm.c
-rw-r--r-- 107070 picobit.scm
-rw-r--r-- 388 red-green.scm
-rw-r--r-- 31589 robot.scm