updated aggregate.py with patch for ISP binning regex matching
updated aggregate.py with patch for ISP binning regex matching

opentechinstitute/piecewise,critzo/piecewise,critzo/piecewise,critzo/piecewise,opentechinstitute/piecewise,critzo/piecewise,opentechinstitute/piecewise,opentechinstitute/piecewise