* Update login protocol
Still need testing
* Turn off debug option and make t547 null when failed
* Fix wrong convert method and improve tips
* Remove unused part and improve tips
* Fix typo
* Inline resultStatus for performance
* Rename pow to PoW, the name should be "Proof of Work"
* Add shadow and deps-test for kt-bignum
* Try to fix deps-test
* Fix deps-test again