Pysigma

* Added plugin metadata
* Relaxed ParentImage restriction: image path patterns without a slash are now allowed, e.g. `*name.exe`.

What's Changed
* Fix: TextQueryBackend chained correlation rules by m4dh4t in https://github.com/SigmaHQ/pySigma/pull/293
* Added new transformation for creating new fields from Hashes field by slincoln-aiq in https://github.com/SigmaHQ/pySigma/pull/294
* Fix: Allow also Number in Backend Class-Names by andurin in https://github.com/SigmaHQ/pySigma/pull/295
* Pass backend options to pipeline by thomaspatzke in https://github.com/SigmaHQ/pySigma/pull/296


**Full Changelog**: https://github.com/SigmaHQ/pySigma/compare/v0.11.17...v0.11.18

What's Changed
* Remove optional fields validator by frack113 in https://github.com/SigmaHQ/pySigma/pull/281
* String pattern to regular expression conversion by thomaspatzke in https://github.com/SigmaHQ/pySigma/pull/287
* Introduced interpret_special option to ReplaceStringTransformation by thomaspatzke in https://github.com/SigmaHQ/pySigma/pull/288
* fix compat with pyparsing 3.2 by branchvincent in https://github.com/SigmaHQ/pySigma/pull/289
* Python 3.8 EOL by frack113 in https://github.com/SigmaHQ/pySigma/pull/286
* Additional escape characters in SigmaString.to_regex() by thomaspatzke in https://github.com/SigmaHQ/pySigma/pull/291
* Allow special characters in startswith, endswith, and contains expressions by thomaspatzke in https://github.com/SigmaHQ/pySigma/pull/292

New Contributors
* branchvincent made their first contribution in https://github.com/SigmaHQ/pySigma/pull/289

**Full Changelog**: https://github.com/SigmaHQ/pySigma/compare/v0.11.16...v0.11.17

What's Changed
* Fix Correlation rules finalization by m4dh4t in https://github.com/SigmaHQ/pySigma/pull/278
* Remove optional fields validator by frack113 in https://github.com/SigmaHQ/pySigma/pull/281
* Preserve placeholder in ReplaceStringTransformation by thomaspatzke in https://github.com/SigmaHQ/pySigma/pull/285
* String pattern to regular expression conversion by thomaspatzke in https://github.com/SigmaHQ/pySigma/pull/287
* Introduced interpret_special option to ReplaceStringTransformation by thomaspatzke in https://github.com/SigmaHQ/pySigma/pull/288

New Contributors
* m4dh4t made their first contribution in https://github.com/SigmaHQ/pySigma/pull/278

**Full Changelog**: https://github.com/SigmaHQ/pySigma/compare/v0.11.14...v0.11.16

Ignore this release, it's incomplete. Use v0.11.16 instead!