https://bintray.
https://bintray.com/docs/api/#_get_webhooks
https://bintray.
https://bintray.com/docs/api/#_register_a_webhook
https://bintray.
https://bintray.com/docs/api/#_delete_a_webhook
https://bintray.
https://bintray.com/docs/api/#_test_a_webhook
Webhook methods