feature(version) simplified reading version from package.json

Author: coderaiser

version.js

@@ -1,4 +1,4 @@
 #!/usr/bin/env node
 var x;
-eval("x= " + require("fs").readFileSync(__dirname + "/package.json"))
-console.log(x.version)
+x = require('./package');
+console.log(x.version)