Add mutable properties to VariantRecord
Add mutable properties to VariantRecord

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