Make index2value work with arrays
Add Signal.indexmax and Signal.valuemax
Merge branch 'FIX-plot' into ENH_zlp_centre
Merge branch 'FIX-align1D' into ENH_zlp_centre
New Signal.print_statistics method
Merge branch 'master' into ENH_zlp_centre
Modify the behaviour of estimate_zero_loss_peak position so that it behaves as expected from its name and add align_zero_loss_peak method
BUG-FIX: print_statistics was raising an exception.
BUG-FIX: the new align_zlp was broken
Add fwhm property to Gaussian component
Merge branch 'ENH_GaussianFWHM' into ENH_zlp_centre
Merge branch 'master' into ENH_zlp_centre
BUG-FIX: also_align was being modified by the method
BUG-FIX: align_zero_loss_peak was not working as expected when calibration=False and subpixel=True
Add tests
BUG-FIX: typo in the left limit of the subpixel alignment
Merge branch 'master' into ENH_zlp_centre
EHN: New physics tools for bulk sample

X-ray and electron range. Density from composition.
DOC: add range in doc
EHN: add tests