Json-operations

Feature
* **operator:** Add nin operator ([`9099bf9`](https://github.com/cedar-team/json-operations/commit/9099bf9b2289f9207c8ffa9899618a53ecb48d29))

Fix
* **schema:** Add missing array type from values. allow array in ([`94d562d`](https://github.com/cedar-team/json-operations/commit/94d562d12090eca3186f22cc7d665d2cf2b9dfab))

Fix
* Change maxItems for and/or ([`74f5082`](https://github.com/cedar-team/json-operations/commit/74f508251e0aa152726f1ca63fa246d07db6e853))

Fix
* **find_keys:** Find_keys did not handle boolean type ([`5d95e35`](https://github.com/cedar-team/json-operations/commit/5d95e354e6955f54cd07decfb1fb62a0d33861ad))

Documentation
* **readme:** Add get_json_schema and get_keys to readme ([`213107a`](https://github.com/cedar-team/json-operations/commit/213107a0f4d518b4df358290d9cf69615a53541d))

Fix
* **get_keys:** Fix bug in error get_keys ([`b606f6b`](https://github.com/cedar-team/json-operations/commit/b606f6ba2781a3f43dd0bae4d255de77059b72b7))

Feature
* **get_keys:** Add the ability to get keys inside an operation ([`b68ebc6`](https://github.com/cedar-team/json-operations/commit/b68ebc65480a8016f61441840eb7ae8214a61cf5))

Breaking
* Changed OperationError to JSONOperationError ([`b68ebc6`](https://github.com/cedar-team/json-operations/commit/b68ebc65480a8016f61441840eb7ae8214a61cf5))

Documentation
* **readme:** Update wording ([`0e3526d`](https://github.com/cedar-team/json-operations/commit/0e3526db047153b760248f8b8ab7b972ef33d9f4))
* **readme:** Update formatting for json-logic comparison ([`3ec9b50`](https://github.com/cedar-team/json-operations/commit/3ec9b5076dddb80cab44d36674eadd361b87d871))
* **readme:** Update readme json logic example ([`9d88c18`](https://github.com/cedar-team/json-operations/commit/9d88c18e2f237fea07a13707c410e9af1f6695da))