Add preliminary header deletion code; does not work yet. Add header translation to VariantRecords.
Add preliminary header deletion code; does not work yet.
Add header translation to VariantRecords.

bioinformed/pysam,pysam-developers/pysam,kyleabeauchamp/pysam,pysam-developers/pysam,bioinformed/pysam,bioinformed/pysam,kyleabeauchamp/pysam,bioinformed/pysam,pysam-developers/pysam,kyleabeauchamp/pysam,kyleabeauchamp/pysam,bioinformed/pysam,pysam-developers/pysam,kyleabeauchamp/pysam