* Add initial deSEC support
* Handle the api rate limiting
* Fix deleteRR and do some code cleanup
* improve rate limiting and record deletion
* Add documentation for deSEC provider
* README.md update list of supported DNS providers
* deSEC supports SSHFP records
* dynamic minimum_ttl and hint for DNSSec on domain creation
* merge all changes into one single bulk api request
* Fix: actually set the TTL to min_ttl if necessary
* use a constant for apiBase URL
* Fix code comments
* Use PUT instead of PATCH for upsertRR method
* use ' instead of " for java script examples
