Changes in version 0.1.0                        

  - cuvis_get_measurement() now raises an informative error for an
    unknown item_type instead of a cryptic "subscript out of bounds"
    error.

  - Initial release.
  - R bindings for the Cubert CUVIS C SDK via .Call() interface.
  - Support for loading .cu3s session files (cuvis_session()).
  - Measurement extraction and metadata access.
  - 3D cube extraction as R arrays with wavelength attributes.
  - Full calibration pipeline: dark subtract, spectral radiance,
    reflectance.
  - Export to ENVI, TIFF, and .cu3s formats.
  - Stub mode for installation without the SDK present.
  - Configure script for automatic SDK detection on Linux, macOS, and
    Windows.