anchor.diff:  2,"LGPL-3.0"
   12,"LGPL-3"
   1,"LGPL-2.1"
  -14,"LGPL"
  +19,"LGPL"
   1,"LGPL 3.0"
   2,"LAGPL"
  -6,"ISC"
  +9,"ISC"
   2,"ISC License"
   2,"Internet Systems Consortium (ISC)"
  -1,"HUGWARE"
  +1,"I donno"
  +3,"HUGWARE"
   4,"http://www.apache.org/licenses/LICENSE-2.0.txt"
  -2,"http://unlicense.org/"
  +3,"http://unlicense.org/"
   1,"GSLv3"
   1,"GPLv3.0"
   1,"GPLv3+: GNU General Public License version 3 or later"
   4,"GPLv3+"
  -26,"GPLv3"
  +30,"GPLv3"
   2,"GPLv2+"
  -11,"GPLv2"
  -10,"GPL3"
  -2,"GPL2"
  -1,"GPL-3.0"
  +14,"GPLv2"
  +11,"GPL3"
  +4,"GPL2"
  +3,"GPL-3.0"
   10,"GPL-3+"
  -39,"GPL-3"
  -38,"GPL-2"
  -31,"GPL"
  +40,"GPL-3"
  +1,"GPL-2.0"
  +43,"GPL-2"
  +38,"GPL"
   1,"GPL v3.0"
  -1,"GPL v3"
  +3,"GPL v3"
   1,"GPL v2"
   1,"GPL Lv.3"
  +3,"GPL 2"
   1,"GNU"
   4,"GNU LGPL"
   1,"GNU LGPL v3"
  
positive.code: 1,"Mozilla Public License"
  1,"Modified BSD"
  3,"MIT2.0"
  6,"MIT-LICENSE"
  1,"MIT, Simplified BSD, Apache 2.0"
  2,"MIT, Apache License v2.0"
  4002,"MIT"
  2,"mit"
  1,"MIT or Do whatever you want with this gem!"
  4,"MIT License"
  1,"MIT license"
  
negative.code: 1,"Copyright (c) Rajarshi Das. All rights reserved"
  7,"Copyright (c) Joe McIlvain. All rights reserved "
  1,"Commercial"
  1,"cocot"
  1,"CCPL"
  5,"CC0"
  1,"cc-zero"
  1,"CC-BY-SA"
  1,"CC-BY-NC-SA 3.0"
  1,"CC BY-SA 3.0"
  8,"CC BY-NC-SA 3.0"
  1,"BSD3"
  1,"BSD-3-clause"
  1,"BSD-3-Clause"
  5,"BSD-3"
  2,"BSD-2-Clause"
  1,"BSD-2"
  133,"BSD"
  2,"bsd"
  1,"BSD or AFL"
  1,"BSD New"
  1,"BSD Clause 2"
  2,"BSD 3-clause"
  15,"BSD 3-Clause"
  1,"BSD 3 Clause"
  5,"BSD 2-Clause"
  1,"BSD + MPL 1.1/GPL 2.0/LGPL 2.1"
  1,"BSD (2-Clause)"
  3,"Beerware"
  1,"BEER"
  1,"BAT"
  