Changelog

• 7d71391 Add ED25519 command to get public key from private key
• f6d7525 Add base64 cmd and rename stdfile.Write to stdfile.WriteHexOrBin to avoid confusion
• bebec1a Add hex cmd
• 0ad1e40 Fix linter problems in aes kw
• bccd57e Implement EdDSA
• 2704cc2 Move RSA command to extract public key from private key to keygen
• c7e9d0f Remove todo.org
• 32cdfef Update go version, dependencies and add PKCS7
• b0467db Update progress.md
• bfc9134 Update progress.md
• 6ea4d77 base64: Don't print newline
• 07e515e she-decode: Check if key is specified