2013-07-16 Nabil-Fareed Alikhan <n.alikhan@uq.edu.au>
 * Added Ability to use amino acid sequences as Virluence factors
 * Added helper method to automatically detect type of sequence file (nucl or pro)
 * Added commandline override option for above auto-detection ( -R )
 * Replaced a number of system calls and pathnames with cross  platform  friendly alternatives
 * Added support for fasta file extensions .fna, .fas, .fa; rather than just
   .fas (For query sequences)$
	modified:   SeqFindR.py