New functionality and features
------------------------------
* Add `accessibility_analysis` parameter support (#463)
* Add support for date parameter in usage API (#467)
Other Changes
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* Change test for `eval` upload parameter (#468)
* Update docstring for normalize_expression (#461)
* Fix secure_distribution has type (#462)
* Remove unused parameter from archive_params (#454)
* Fix type of generate_auth_token options (#448)
* Set the provisioning API config as optional (#451)
* Encode all URI components when building a URL in base_api_url() (#447)
* Generate url-safe base64 strings in remote custom functions (#446)
