Pykeepass

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- merged PR389 - add PyKeePass.database_name and database_description
- merged PR392, fixed 390 - fix pkg_resources dependency issue
- fixed 391 - Entry.tags returns empty list instead of None
- fixed 395 - set 'encoding' attribute when exporting as XML
- fixed 383 - parse datetimes using isoformat instead of strptime

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- fixed 359 - PyKeePass has `decrypt` kwarg for accessing header info
- merged PR347 - added Entry.index and Entry.move for moving entries
- merged PR367 - added Entry.autotype_window setter
- merged PR364 - allow filename/keyfile to be file-like objects
- merged PR371 - drop dateutil dependency
- merged PR348 - switch to pyproject.toml

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- fixed 350 - fixed all Python 2 deprecation FIXMEs (e.g. future, )

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- fixed 344 - AttributeError when accessing Times with None value
- use __hash__ when evaluating equality
- use mtime/uuid for HistoryEntry hashing

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- fixed 314 - correctly handle binaries with no data
- fixed 265 - check for keepass signature
- fixed 319 - support pathlib for filename/keyfile
- fixed 194 - added 'protected' arg to _set_string_field
- use official icon names from KeePass source and deprecate old icons
- added Entry.is_custom_property_protected()
- fixed 338 - allow comma entry tag separator

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- added otp support
- added debug_setup() function