v1.2.0

Added

• Blank phonemes between tokens and words (can be different phonemes with --blank-word)
• Disable phoneme learning in with --no-learn
• Fail on missing phoneme with --fail-on-missing
• BOS/EOS symbols are only added automatically with --auto-bos-eos

v1.1.0

Add nix derivation

v1.0.0

More README cleanup