add a lot of current stuff

this is not (yet) in the frm2 repo

Change-Id: Ia5b2996803c3dbb15b85ab1bc3a24717ac6297fb

secop_psi/softcal.py

@@ -110,9 +110,10 @@ class CalCurve:
                 break
             # then try adding all kinds as extension
             for kind in KINDS:
-                filename = join(path.strip(), '%s.%s' % (calibname, kind))
-                if exists(filename):
-                    break
+                for nam in {calibname, calibname.upper(), calibname.lower()}:
+                    filename = join(path.strip(), '%s.%s' % (nam, kind))
+                    if exists(filename):
+                        break
             else:
                 continue
             break