anchor.diff:  1,"LGPL3"
   2,"LGPL2"
   2,"LGPL-3.0"
  -12,"LGPL-3"
  +13,"LGPL-3"
   1,"LGPL-2.1"
  -19,"LGPL"
  +23,"LGPL"
  +1,"LGPL v2.1"
   1,"LGPL 3.0"
   2,"LAGPL"
  -9,"ISC"
  +1,"kpratik"
  +10,"ISC"
   2,"ISC License"
   2,"Internet Systems Consortium (ISC)"
   1,"I donno"
  
positive.code: 1,"GSLv3"
  1,"GPLv3.0"
  1,"GPLv3+: GNU General Public License version 3 or later"
  4,"GPLv3+"
  30,"GPLv3"
  2,"GPLv2+"
  14,"GPLv2"
  11,"GPL3"
  4,"GPL2"
  3,"GPL-3.0"
  10,"GPL-3+"
  40,"GPL-3"
  1,"GPL-2.0"
  43,"GPL-2"
  38,"GPL"
  1,"GPL v3.0"
  3,"GPL v3"
  1,"GPL v2"
  1,"GPL Lv.3"
  3,"GPL 2"
  1,"GNU"
  4,"GNU LGPL"
  1,"GNU LGPL v3"
  1,"GNU LGPL 3"
  1,"GNU Lesser General Public License, Version 3.0"
  1,"GNU GPLv3"
  1,"GNU GPLv3 and AGPLv3"
  3,"GNU GPL-3"
  4,"GNU GPL"
  2,"GNU General Public License"
  2,"FreeBSD"
  1,"Free as in beer."
  1,"FeiJi"
  1,"EPLv1"
  1,"EPL"
  1,"EPL 1.0"
  1,"ECLv2"
  1,"CPL"
  1,"Copyright 2013 Joe McIlvain. All rights reserved."
  1,"Copyright 2013 Joe McIlvain"
  1,"Copyright 2013 AgileWings"
  
negative.code: 1,"cc-zero"
  1,"CC-BY-SA"
  1,"CC-BY-NC-SA 3.0"
  3,"CC BY-SA 3.0"
  8,"CC BY-NC-SA 3.0"
  2,"BSD3"
  1,"BSD-3-Clause"
  1,"BSD-3-clause"
  5,"BSD-3"
  2,"BSD-2-Clause"
  1,"BSD-2"
  2,"bsd"
  145,"BSD"
  1,"BSD or AFL"
  1,"BSD New"
  1,"BSD Clause 2"
  16,"BSD 3-Clause"
  3,"BSD 3-clause"
  1,"BSD 3 Clause"
  6,"BSD 2-Clause"
  1,"BSD + MPL 1.1/GPL 2.0/LGPL 2.1"
  1,"BSD (3-clause)"
  1,"BSD (2-Clause)"
  3,"Beerware"
  1,"BEER"
  