October 25, 2010: modified some JASPAR motif names for human, mouse, rat, worm,
chicken, and arabidopsis, adding padding (N) to columns with lower counts
(btsui)

October 8, 2010: updated JASPAR motif names and added protein array entries
for human, mouse, rat, worm, chicken, and arabidopsis; updated microRNA names
for previous list and drosophila; see notes within the each package for
details (btsui)