Pooch: A friend to fetch your data files

1 Department of Earth, Ocean and Ecological Sciences, School of Environmental Sciences, University of Liverpool, UK 2 Instituto Geofísico Sismológico Volponi, Universidad Nacional de San Juan, Argentina 3 CONICET, Argentina 4 New York University, USA 5 Independent (Non-affiliated) 6 University of Illinois at Urbana-Champaign, USA 7 Polar Science Center, University of Washington Applied Physics Lab, USA 8 The US National Center for Atmospheric Research, USA 9 Leeman Geophysical, USA DOI: 10.21105/joss.01943