* Add jacobian primitives
* Add ECDSA algos
* Implement ECDSA, HMAC crypto (to be cleaned up)
* [WIP] test suite
* Fix arrayOfBytes <-> UInt256 casting issue
* ecdsa_raw_sign: Fix shadowing result which lead to implicit object field construction requires a .partial object
* Fix casting + remove tests covered by ranged type
* Fix toHex conversion and add first test (failing)
* Fix modular inversion for unsigned ints
* Add modulo template
* Public key generation bug still to hunt.