* Further async changes
- SaveServer & Backup Server are now async
- Anything that ties in with SaveServer saving (Such as callbacks) are now async
- Various async util methods added
- Removed two wrapper methods and switched code over to use the actual method
* Update test
* Move Router, Callbacks and GetResponse over to ValueTask
* Assign empty deserializedObject for now, keep todo
* Cleanup GetResponse
* Re-add logger for request