* Improve code readability * Add --version argument * Add `Black`_ to project * Add GitHub actions for testing * Remove travis-ci integration * Set prog in ArgumentParser to lineno * Fix lineno couldn't be executed as a package by calling `python -m lineno ...`
0.2.1
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* Fix README.rst documentation
0.2.0
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* Add -l/--line-number argument instead of requiring that the line number sequence is the first argument.