v1.8.0

• sbpiper v1.8.0 and above are released under MIT License.
  Previous versions of this package were released under GNU GPL v3.
• bugfix: calculation of left and right CI.
• code optimisation
• added PCA analysis for the best parameter estimation fits
• multiple bugfixes
• parameter estimation refactory. Substantial modularity improvements.
• fixed versions for dependency packages installed via conda
• r-colorramps is now distributed in the conda channel pdp10 and depends on r-base in r channel.
  This removes dependency conflicts between r-base versions between r and conda-forge channels.