bugfix in GTF parser; split fields at "; ", not ";"
bugfix in GTF parser; split fields at "; ", not ";"

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