nanshe/nanshe/expanded_numpy.py: Added the function threshold_metric, which finds a threshold of the given metric. Then, it finds all the unique matches in the given mapping.
nanshe/nanshe/expanded_numpy.py: Added the function threshold_metric, which finds a threshold of the given metric. Then, it finds all the unique matches in the given mapping.

nanshe-org/nanshe,nanshe-org/nanshe,jakirkham/nanshe,DudLab/nanshe,DudLab/nanshe,jakirkham/nanshe