- core sub-section removed from documentation ([233](https://github.com/pni-libraries/libpniio/pull/233))
- checks if filter is installed added ([231](https://github.com/pni-libraries/libpniio/pull/231))
- a filter tag added ([229](https://github.com/pni-libraries/libpniio/pull/229))
- xml from nxsdesigner readable by xml builder ([227](https://github.com/pni-libraries/libpniio/pull/227))
- string and char arguments added to Path constructor ([226](https://github.com/pni-libraries/libpniio/pull/226))
- string and char arguments added to get_object ([224](https://github.com/pni-libraries/libpniio/pull/224))