* Move squeak controller to core package
* Use config object in squeak controller to access configs
* Remove old comments in squeak controller
* Update unit test
* Add unit test for getting network with squeak_controller
* Rename secret_key
* More work to convert to using PTLC
* Updated most code for PTLC
* More work to use ptlc with secret key
* Got itest passing
* Remove unused import
* Use version 0.5.0 of squeaklib
* Added simple unit test for squeak controller
* Use modular addition subtraction for secret key nonce tweak
* Move util to core folder
* Store secret key as hex in database
* Store nonce as hex in db
