Changes in version 0.1.0                        

  - First native R/Rcpp bundle of the pinned BCPD C core.
  - Adds the BCPD++ downsample-register-interpolate workflow.
  - Adds Nyström deformation and probability acceleration.
  - Adds k-d-tree switching and optional OpenMP compilation.
  - Does not use OpenCV or an external BCPD executable.