Hartufo

- Fix an overly strict globbing expression that caused subjects with 1-9 to be skipped from the default selection
- Added a new HRIR tranform to reshape HRIRs into 3D arrays

**Full Changelog**: https://github.com/jpauwels/hartufo/compare/v0.6.4...v0.6.5

- Request the first, last or random N subjects by passing `firstN`, `lastN` or `randomN` to the `subject_ids` constructor option of `Dataset`s.
- Create a new `Dataset` from local files using `CustomSphericalDataset`.

**Full Changelog**: https://github.com/jpauwels/hartufo/compare/v0.6.3...v0.6.4

- Added support for MIT and SONICOM KEMAR HRTFs
- Expose the directions of HRIR measurements and all processing toolchains as a properties of `Dataset` classes
- Make it easier to apply HRIR transforms outside of the internal processing chain
- Various minor bugfixes and code quality improvements