**What's new:**
* Add support for asynchronous programming (AsyncCaptchaSolver)
* Use httpx package instead of requests
* Add support for Python 3.10
* Drop support for Python 3.6
* Add support for content manager
* Add clean up methods
* Rework CAPTCHA classes: use enforce*typing for type checks
* Add support for GeeTest v4
* Rename Capy to CapyPuzzle
* Add optional api_domain parameter to RecaptchaV2 and RecaptchaV3
* Add blob parameter to the FunCaptcha
* Update hCaptcha: add is_invisible flag and api_domain parameter
* Add support for hCaptcha and FunCaptcha via azcaptcha.com
* Fix Image CAPTCHA solving
* Fix TikTok CAPTCHA solving via 2captcha
* Rework all examples and add a bunch of new ones
* Add acceptance tests
* Refactor and clean the code