Merged work on generators
adding postproctools again.
Merge branch 'master' into dev
Merge branch 'dev' of github.com:/heinzK1X/CmsToolsAC3b into dev

Conflicts:
	cmstoolsac3b/generators.py
Merge branch 'master' into dev
Merge branch 'master' into dev
Merge branches 'dev' and 'master' of github.com:/heinzK1X/CmsToolsAC3b
Bugfix in gen.apply_histo_color
Merge branch 'master' of github.com:/heinzK1X/CmsToolsAC3b
Fixing tests to match interface changes.
Filter now able to process a list of reg-ex's as well.