v1.3.0

add --exclude option

Add ability to exclude entities from de-identification with -x, --exclude.

• This uses a comma as the delimiter to allow for multiple entities.
• Comma can be overridden by setting the DEIDENTIFY_EXCLUDE_DELIM environment variable.

The Python API can also use this option be setting a DeidentificationConfig.excluded_entities option to a Python set data type.

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Improve Python API

• reset all internal variables at the beginning of the deidentify method
• lower-case all config.excluded_entities
• added API testing with api_test.py