issue 82: Added FO and KS header tags
issue 82: Added FO and KS header tags

bioinformed/pysam,kyleabeauchamp/pysam,brendanofallon/pysam,pysam-developers/pysam,daler/pysam,kyleabeauchamp/pysam,brendanofallon/pysam,bioinformed/pysam,carolinux/pysam,pysam-developers/pysam,TyberiusPrime/pysam,brendanofallon/pysam,carolinux/pysam,mattions/pysam,kyleabeauchamp/pysam,dannon/pysam,carolinux/pysam,mattions/pysam,TyberiusPrime/pysam,nlhepler/pysam,bioinformed/pysam,nlhepler/pysam,daler/pysam,daler/pysam,daler/pysam,dannon/pysam,TyberiusPrime/pysam,brendanofallon/pysam,nlhepler/pysam,kyleabeauchamp/pysam,mattions/pysam,nlhepler/pysam,mattions/pysam,TyberiusPrime/pysam,brendanofallon/pysam,carolinux/pysam,pysam-developers/pysam,dannon/pysam,carolinux/pysam,nlhepler/pysam,mattions/pysam,bioinformed/pysam,TyberiusPrime/pysam,dannon/pysam,daler/pysam,pysam-developers/pysam,bioinformed/pysam,dannon/pysam,kyleabeauchamp/pysam