1.12  Added -*range flags to control what ranges to search on parameters.
      Changed kin output to show PDB names of fragments.

1.11  Usability enhancements: better file names, fragments in kins have PDB source
      identity info.
      Added -tighter to give option for tighter parameters.

1.10  Changed how jiffiloop accesses database; it should be much faster.

1.09  Added jiffiloop.changes and help files.
      Added -fragment to limit number of fragments generated.
      Added -sequence to keep residue name info.
      Changed functionality to renumber and rename residues by default.
