now shows histogram
show multiple spectra
ignoring build directory
hacked in support for multiple phasespaces for measuring energy spectra, forwards and backwards without fstops
added cuts setter/override
Should have been calling PhysicsHasBeenModified, but that is not requried here?
initialised default values for cuts
using standard physicsl list, option 1
Merge branch 'spectra' of ssh://github.com/christopherpoole/linac into spectra