2.0.0
- add: flags option for setting arbitrary node/mocha flags.
- remove: all node flag options except for the debug ones (use the flags option instead).
- change: upgrade to Mocha 2.3.3.
- change: exclude unneeded files from the npm package.
- add: node 4 support.
- remove: iojs support.
- add: windows testing via appveyor.