René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Using find() with \u0026in returns zero records","articleBody":"### Steps to reproduce\r\n\r\n(First please check that this issue is not already solved as [described\r\nhere](https://github.com/feathersjs/feathers/blob/master/.github/contributing.md#report-a-bug))\r\n\r\n- [ ] Tell us what broke. The more detailed the better.\r\n- [ ] If you can, please create a simple example that reproduces the issue and link to a gist, jsbin, repo, etc. This makes it much easier for us to debug and issues that have a reproducable example will get higher priority.\r\n\r\n### Expected behavior\r\nExpected to return two items from the databse\r\n\r\n### Actual behavior\r\nReturned no records\r\n\r\n### System configuration\r\ncreate-react-app and feathers-cli g app\r\n\r\nUsing find and $in on a MongoDB service, the results I receive are;\r\n````js\r\n{\r\n  \"total\": 0,\r\n  \"limit\": 20,\r\n  \"skip\": 0,\r\n  \"data\": []\r\n}\r\n````\r\n\r\nThe two records below are valid `_id`s of record in the `cards` service;\r\n`http://localhost:3030/cards?_id[$in]=5a344774f254c60f9c083aab\u0026_id[$in]=5a344791f254c60f9c083ab1`\r\n\r\nUsing the following URL, I can see those records;\r\n`http://localhost:3030/cards`\r\n\r\nI do not receive the same results via socket;\r\n````js\r\n        cardsService.find({\r\n          query: {\r\n            _id: {\r\n              $in: ['5a344774f254c60f9c083aab', '5a344791f254c60f9c083ab1']\r\n            }\r\n          }\r\n        })\r\n        .then(result =\u003e {\r\n            console.log(\"cards: \", result);\r\n          })\r\n          .catch(err =\u003e console.warn(err));\r\n````\r\n","author":{"url":"https://github.com/ComputerCarl","@type":"Person","name":"ComputerCarl"},"datePublished":"2017-12-19T18:48:01.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/757/feathers/issues/757"}