Fix change of isBinaryFile dependency exports

Hi,

isBinaryFile change between v1.0.0 and v1.0.1.
`npm install` install the v1.0.1 and fail all tests.

ref to: https://github.com/gjtorikian/isBinaryFile/commit/04c48e55020db0cb5c9e7d8a53179f9f1a3dbd45

It work find with version 2.

bye,
Mathieu