Removes convert usage
Removes unused imports
Address now properly checks malformed base58
Adds shared base58 test vectors
Now shares base58 data with Address base58 tests
Adds script to create Bitcoin-core compatible test fixtures
Updates test fixtures to use bitcoin core test data
Merges Buffer refactorings from base58-native by Stephen Pair
Adds better ECDSA test vectors for recoverPubKey
Adds test vectors for deterministicGenerateK
DeterministicGenerateK now uses Buffers/crypto
Removes unused JSBN toByteArraySigned
Removes unnecessary ECDSA functions, moves compact signatures to Message
Renames ecdsa.verifyRaw to ecdsa.verify
Standardizes ecdsa API to use BigIntegers
WIP