Bind webkit_authentication_request_cancel
Bind webkit_authentication_request_can_save_credentials
Bind webkit_authentication_request_get_host
Bind webkit_authentication_request_get_port
Bind webkit_authentication_request_is_retry
Bind webkit_authentication_request_get_realm
Bind webkit_authentication_request_get_scheme
Bind webkit_authentication_request_is_proxy
Redundant export
Bind WebKitCredentialPersistence
Aliases for WebKitJavascriptResult and JSValueRef
Bind webkit_javascript_result_ref
Bind webkit_javascript_result_unref
Bind webkit_javascript_result_get_global_context
Bind webkit_javascript_result_get_value
Translate GError into lisp conditions

cl-cffi-gtk can translate GErrors into lisp conditions.
Do this for web-context, cookie-manager, and web-view.