Robotframework-openapi-libcore

Added support for a new library init parameter; extra_headers. The provided headers will be send with every request. This is useful for custom headers that are not documented in the openapi document or for API-keys.

Some bugfixes and documentation improvements.

What's Changed
* Fix get invalidated parameters for optional parameters by robinmackaij in https://github.com/MarketSquare/robotframework-openapi-libcore/pull/2

New Contributors
* robinmackaij made their first contribution in https://github.com/MarketSquare/robotframework-openapi-libcore/pull/2

**Full Changelog**: https://github.com/MarketSquare/robotframework-openapi-libcore/compare/v1.0.0...v1.0.2

Core keywords and functionality from OpenApiDriver now available for library builders.