code: function file2obj(file) {
  		if(!fs.existsSync(file)) {
  			return {};
  		}
  		try {
  			var buffer = JSON.parse(fs.readFileSync(file), {'encoding':'utf8'});
  			if(!(buffer && (typeof buffer === 'object'))) {
  				throw new TypeError('Failed to parse file as an object: ' + file);
  			}
  			return buffer;
  		} catch(e) {
  			throw new TypeError("Failed to read file " + file + ": " + e);
  		}
  	}
docs: /* Append config file into config object