ruby function library
view to project 2D histograms
removed functionalities that cannot work with 2D histograms and cause potential bugs
several bugfixes
added size-limited (to 1) caching decorator
memoize last kNN call
change in legend naming
Merge branch 'master' of https://github.com/uwcms/FinalStateAnalysis into delicate_changes
Merge pull request #254 from mverzett/master

Various bugfixes and ____View enhancements in PlotTools