bugfix issue with valid quality after value changing.
reviewed for many non-pep8 lines.

git-svn-id: https://svn.code.sf.net/p/tango-ds/code/DeviceClasses/AcceleratorComponents/LinacAlba/trunk@18641 3b39871e-fe4b-0410-b5db-e82997f68959
increase the format resolution for HVPS_V{,_setpoint} for the klystrons

git-svn-id: https://svn.code.sf.net/p/tango-ds/code/DeviceClasses/AcceleratorComponents/LinacAlba/trunk@18756 3b39871e-fe4b-0410-b5db-e82997f68959