- appveyor: more generic comment
- package: update "mocha" to v1.20.1
- package: update "nan" to v1.2.0
- add appveyor.yml file for Windows testing
- README: use SVG Travis badge
- README: add appveyor build badge
- README: correct docs for the callback (#29, @metamatt)
- .travis: don't test node v0.9.x
- weakref: fix deprecation warning after nan upgrade
- weakref: remove "printf()" calls
- weakref: update for nan v1 API changes