code: function _getResponseBody(handler, req, callback) {
          // String
          if (!_(handler.reply.body).isFunction()) {
              return callback(handler.reply.body || "");
          }
  
          // Synch function
          if (handler.reply.body.length <= 1) {
              return callback(handler.reply.body(req) || "");
          }
  
          // Asynch function
          handler.reply.body(req, callback);
      }
docs: Supports:
  - { reply: { body: "data" }}
  - { reply: { body: function(req) { return "data"; }}}
  - { reply: { body: function(req, send) { setTimeout(function() { send("data"); }, 1000); }}}