added copy.copy to TupleProxy
added copy.copy to TupleProxy

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