code: function(options) {
        if (any(hook('running'), haveStopped)) return this
        if (options) extend(this.options, options)
        this.start = Number(new Date)
        each(this.suites, function(suite) { JSpec.runSuite(suite) })
        return this
      }
docs: Run the spec suites. Options are merged
  with JSpec options when present.
  
  @param  {hash} options
  @return {JSpec}
  @api public