Changed TM-score cutoffs back to 0.4.
Wrote generallySymmetricSmart() and generallySymmetryFromAngle().
Use code now in biojava-structure.
Wrote header comments.
Fixed a NPE.
Made work with changes to AstralScopDescriptionCensus and Astral in
biojava-structure.
Made work with PrintWriters, and wrote a nice header comment.
Changed TM-score cutoff to 0.4, and wrote nice header comments.