1.2.1

修改{ port },chromeRunnerOptions顺序，ChromeRender里调用的时候并没有传入port，现在的顺序会使chromeRunnerOptions中传入的port被覆盖为空

feat: add clear option to release method

see #10

fix: pool release method should be async

31beac3

fix: update chrome-remote-interface

close https://github.com/gwuhaolin/chrome-pool/issues/6

feat: support chromeRunnerOptions options pass to chrome-runner

close #2