fixed col/row order issue in find fit
added option for no combination thresholds in classify
changed some names, added output folder to classification
change to waring message in pixel class
renaming changes
constants file
added option to use date/time for unique name
sig generator now to default output to a new folder
new library of signature functions
changed test image dimension to non-square
transpose image array to be row, col, time  in read to array
fixed shape issue with image array in read to array
refactored signature collection builder to new function
changed classify to output into a new directory
comments, small fixes, began adding plot support to classify
adding plotting functions
temp new file for accuracy functions; may stay, not sure