Update pyproject.toml

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Merge pull request amitdev#45 from kraj/master

lru: Use PyCFunction instead of PyCFunctionWithKeywords

Updating version to publish prebuilt wheels

Update readme and tests

Merge pull request amitdev#14 from normanyahq/master

Add peek_first_item() and peek_last_item()

Release 1.1.1 with bug fixes on PyPI

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