LibXMI updates

[Jon M. Taylor]

        I made some small updates to LibXMI today.  All the debugging
output should now work correctly, the X target builds, installs and loads
properly, and that annoying segfault on program exit is now gone as well.

Jon

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'Cloning and the reprogramming of DNA is the first serious step in 
becoming one with God.'
        - Scientist G. Richard Seed