added missing version.h
added missing version.h

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