1.3.0

• Add the possibility to generate legacy seeds and mnemonics
• Add the possibility to import legacy mnemonic phrases
• Stop throwing errors if given an upper case hex as input
• Return mnemonic also when creating wallet with a legacy seed
• npm audit fix
• Small refactoring

1.2.2

• Fixed an issue where the unit converter wasn't able to convert high
  precision numbers correctly, generating invalid blocks

1.2.1

• Fixed an issue where address importer threw an error on mnemonic words
  that had a checksum hex value with a leading zero
• Added the possibility to validate mnemonic words and nano addresses

1.2.0

• Import wallets with legacy Nano hex seeds