Quanlong

Add to plan

@plroebuck @galk-in I think we can release v0.4 now. Could you please help prepare the release note, or we can just extract them from all the previous beta tags?

Cool, I will do this.

**Abao** should support body of `application/json` only

@ddossot I haven't hear about using media types to version APIs before, after a short google, I found it's related to Grape. Is this type of versioning widely used?

So, if there are various media-type returns json, how does **Abao** cover all these media-types. As **Abao** is supposed to support json validation only at this moment.

Thank you for your explain. So in the implementation, it should be ``` if mediaType == 'application/json' or mediaType == 'application/vnd.acme.api.v1+json or ``` or ``` if mediaType == 'application/*json' ```

`Let hook's done param optional` is related to #35

@sielay **abao** can only send body as `application/json` at this moment.

Thanks @seebi, so we will use regex `application/(*.\+)?json` for supported json payload?