Support for:

• session.asyncRequest(method, url, body, params)
• session.asyncGet(url, body, params)
• session.asyncHead(url, body, params)
• session.asyncPost(url, body, params)
• session.asyncPut(url, body, params)
• session.asyncDelete(url, body, params)
• session.asyncConnect(url, body, params)
• session.asyncOptions(url, body, params)
• session.asyncTrace(url, body, params)
• session.asyncPatch(url, body, params)