hdwallet v3.1.0

New Additions

• Add WIFError class on exception
• Add more const values for SLIP10_SECP256K1_CONST
  • PRIVATE_KEY_UNCOMPRESSED_PREFIX=0x00,
  • PRIVATE_KEY_COMPRESSED_PREFIX=0x01
  • CHECKSUM_BYTE_LENGTH=4

Enhancements

• Upgrade Wallet Import Format (WIF) implementations of all functions
• Update from_wif, root_wif, and wif of BIP32 HD functions
• Update from_wif, master_wif, and wif of Electrum-V1 HD functions
• Update master_wif, and wif of Electrum-V2 HD functions
• Update master_wif, root_wif, and wif of maine HDWallet functions
• Moved get_checksum function from wif.py into crypto.py

Fix Bugs

• Fix Cardano testnet network extended versions

Merge pull requests

• Fix bitcoin-cash regtest config #104 (@amikingo)