Merge pull request #49 from gerbaudo/tests

Tests
simplify example script
allow different binning for truth and reco level
use trace size to iterate
example of reco/truth different binning
merge example for N reco bins>M truth bins
bump version
Merge branch 'combinations' of https://github.com/gerbaudo/fbu into combinations

Conflicts:
	bin/runpyFBU.py