Build issue

Created by: ktorn

Running into a build issue on Mac OS 10.11.6, node v6.6.0, and npm 3.10.7.

npm ERR! wotb@0.4.11 install: `node-pre-gyp install --fallback-to-build`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the wotb@0.4.11 install script 'node-pre-gyp install --fallback-to-build'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the wotb package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node-pre-gyp install --fallback-to-build
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs wotb
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls wotb
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/user/dev/duniter/npm-debug.log

More info: npm-debug.log