v0.1.0

⚠ BREAKING CHANGES

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* Add description text for schema
* Add support for multiple API level schemas

Features
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* Add support for `cloud_names` parameter in `sub_accounts` API
* Add support for `emails` and pagination parameters in `users` API
* Add support for `extended details` in `user_groups` API
* Add release versions
* Add support for multiple API level schemas

Bug Fixes
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* Add description text for schema
* Update classic reference link
* Fix `groups` property in `users` API
* Fix double `extended_details` in update user group API
* Fix examples
* Fix internal attributes
* Fix PHP installation instructions
* Fix README title
* Fix server variables consumption