doesn't work on windows

[HansHammel]

a little test (win10, node 6.9.1) shows:

C:\l\Neuer Ordner\node_modules\license-compatibility-checker\index.js:12
f
^

  [0m[97m[41mReferenceError[0m[90m:[0m[37m [0m[97mf is not defined[0m
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