code: function (json, variables, memberMode, callback) {
  		if (typeof memberMode == 'function') {
  			callback = memberMode;
  			var member_mode = memberMode || false;
  		} else {
  			var member_mode = memberMode || false;
  		}
  			
  		var str = JSON.stringify(json);
  		var output = str.replace(/{{\w+}}/g, function(found) {
  			found = (member_mode) ? found.match(/[\w\.]+/)[0] : found;
  			
  			// Traverse object
  			var f;
  			traverse(variables).forEach(function (v) {
  				if (v && typeof v[found] != 'undefined') {
  					if (typeof v[found] != 'string') {
  						// Stringify if not string yet
  						f = JSON.stringify(v[found]);
  					} else {
  						f = v[found] || found;
  					}
  				}
  			});
  			return f;
  		});
  		
  		// Array must have the first and last " stripped
  		// otherwise the JSON object won't be valid on parse
  		output = output.replace(/"\[(.*)\]"/, '[$1]');
  	
  		callback(JSON.parse(output));
  	}
docs: Replace Placeholders in any JSON
  Member mode allow to replace object member
  without using the {{}} of left part of the variables
  @param json {Object}
  @param variables {Object}
  @param memberMode {Boolean}
  @param callback {Function}