- upgraded to Babel 6.0
- upgraded to NaN 2.0 [pgbross]
- converted all the javascript code from coffee-script to ES6 (no visible external changes)
- switched to using NaN for the v8 bindings, which should fix it to work with io.js
- fixed xz build on Linux by doing hand-to-hand combat with gyp
- removed low-level support for compressing strings, since it leaks memory (use buffers)
- fixed "package.json" again
- fixed "package.json" to make a usable package (previous versions wouldn't even install correctly)
- removed unused dependencies