Version 1.33

Added -M option to have interleaved output file with "N" records for reads that did not pass filter.
Changed -n option so that reads are truncated at the first N in the read, rather than discarded entirely.
Refactored code.
Updated galaxy wrapper to reflect new options.

version 1.31

Added gzipped output file capability, also added paired-end interleaved input file capability for galaxy wrapper

version 1.29

Bug fixes, documentation fixes