Aio-request

* [Reverted: URL-encode path_parameters](https://github.com/anna-money/aio-request/pull/155) - let user
decide what to do

* [URL-encode path_parameters](https://github.com/anna-money/aio-request/pull/146)

* [Reject throttling(too many requests) status code](https://github.com/anna-money/aio-request/pull/123)

* Return default json expected content_type to "application/json"
* [Release aiohttp response instead of close](https://github.com/Pliner/aio-request/pull/108)
* [Validate json content-type](https://github.com/Pliner/aio-request/pull/109)

* Content type should be None in Response.json()

* [Do not expect json content type by default](https://github.com/Pliner/aio-request/pull/106)