Allow Mean, Median, and Peak to be calculated for a subrange of the histogram
Fixes for Python 3
Merge branch 'dev'
Changes to enable more tests to pass in Python3
Add test for IsValidImage
Removed incorrect string functions
Remove unused imports
Fixes for string handling.
Updated setup for python 3
Add classifiers to setup
Fixed import syntax that visual studio was struggling with for unknown reasons.
Update ignore file
Version bump
Merge branch 'dev'
Merge branch 'master'