Versioning

The project versioning follows Semantic Versioning 2.0.0. The following APIs are covered by backward compatibility guarantees:

Converted models
Python converters options
Python symbols:
- ctranslate2.*
- ctranslate2.converters.*
C++ symbols:
- ctranslate2::Encoder
- ctranslate2::EncoderForwardOutput
- ctranslate2::GenerationOptions
- ctranslate2::GenerationResult
- ctranslate2::Generator
- ctranslate2::ScoringOptions
- ctranslate2::ScoringResult
- ctranslate2::TranslationOptions
- ctranslate2::TranslationResult
- ctranslate2::Translator
- ctranslate2::models::Model::load
C++ translation client options

Other APIs are expected to evolve to increase efficiency, genericity, and model support.