add support for ByteSwapper filter
add support for ByteSwapper filter

jwomeara/PDAL,Sciumo/PDAL,Sciumo/PDAL,boundlessgeo/PDAL,jwomeara/PDAL,verma/PDAL,mpgerlek/PDAL-old,boundlessgeo/PDAL,boundlessgeo/PDAL,radiantbluetechnologies/PDAL,mpgerlek/PDAL-old,Sciumo/PDAL,lucadelu/PDAL,verma/PDAL,mtCarto/PDAL,verma/PDAL,boundlessgeo/PDAL,mpgerlek/PDAL-old,radiantbluetechnologies/PDAL,lucadelu/PDAL,verma/PDAL,Sciumo/PDAL,jwomeara/PDAL,DougFirErickson/PDAL,verma/PDAL,radiantbluetechnologies/PDAL,DougFirErickson/PDAL,DougFirErickson/PDAL,mtCarto/PDAL,lucadelu/PDAL,radiantbluetechnologies/PDAL,DougFirErickson/PDAL,verma/PDAL,mpgerlek/PDAL-old,lucadelu/PDAL,mtCarto/PDAL,verma/PDAL,jwomeara/PDAL,mtCarto/PDAL