Removed moved maximum and minimum methods
Added the implementation for the ARPES metadata from the loader
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/scisoft/scisoft-core.git
Updated unit test from error changes
Migrated to dataset interface
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/scisoft/scisoft-core.git