Returns the profile of a given user, including the recent needs. The needs are ordered by descending date of creation.
http://api.needish.com/users/profile/{user_id}.format
| user_id | Required. The id or nickname of the requested user. |
| limit | Optional (20). Limits the number of recent needs to retrieve. |
| page | Optional (1). The recent needs page to retrieve. |
| since | Optional. Returns needs created after the specified date. |
