node 0.4.x in package.json

package.json

@@ -2,10 +2,10 @@
  , "description":  "Canvas graphics API backed by Cairo"
  , "version":  "0.4.3"
  , "author": "TJ Holowaychuk <tj@learnboost.com>"
- , "keywords": ["canvas", "graphic", "graphics"]
+ , "keywords": ["canvas", "graphic", "graphics", "pixman", "cairo"]
  , "scripts": {
    "preinstall": "node-waf configure build"
  }
- , "engines": { "node": ">= 0.2.3" }
+ , "engines": { "node": "0.4.x" }
  , "main": "./lib/canvas.js"
 }