* Updated plot_spectrum.py with the double substitution spectrum
1.1.6
* Added exclude_root_branches option
1.1.5
* Added post_process_branch_mutations.py script that splits the all_included_mutations.csv file into different branch groups and calculates the spectrum of each group
1.1.4
* Added calculation and plotting of double substitution spectra
1.1.3
* Added korimuto to calculate spectrum from variant data
1.1.2
* Added combined_catalog.csv file that contains all of the spectra in a single file when more than 1 label is used * Added option --branch_specific to calculate the spectrum of each branch with at least -bm mutations separately