It is useful when one wants to dump an existing model from an h5 file.

It takes existing records and update them with new keys from a config

Implement DummyTangoDevice

See merge request !21

Prepare for release 0.7.9

See merge request !20

fixes for the TapeDrive project

Closes #15 and #18

See merge request !19

deviceEpos: silent only the device exception corresponding to "handle not valid" (device disconnected)

The child widgets are enabled only when the device is busy.

See https://pint.readthedocs.io/en/stable/nonmult.html about the issue with units with offset