Simplemma

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* **breaking change**: language data pre-loading now occurs internally, language codes are now directly provided in ``lemmatize()`` call, e.g. ``simplemma.lemmatize("test", lang="en")``
* faster lemmatization, result cache
* sentence-aware ``text_lemmatizer()``
* optional iterators for tokenization and lemmatization

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* improved language models
* improved tokenizer
* maintenance and code efficiency
* added basic language detection (undocumented)

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* faster, more efficient code
* dropped support for Python 3.5

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* new languages: Armenian, Greek, Macedonian, Norwegian (Bokmål), and Polish
* language data reviewed for: Dutch, Finnish, German, Hungarian, Latin, Russian, and Swedish
* Urdu removed of language list due to issues with the data
* add support for Python 3.10 and drop support for Python 3.4
* improved decomposition and tokenization algorithms

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* improved models and disambiguation
* improved tokenization
* extended rules for German

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* Work on decomposition rules
* Reviewed language data
* Cleaner code