Automatically generate a full bluesky device from a SCPI object

[lucask07]

[lucask07]

Similar to issue #3
but generate a complex device programmatically, rather than writing out all the components.

[lucask07]

A device is being generated programmatically by iterating through the commands and putting them into the local workspace (before the class init).
Done, in essence, but will leave open pending clean-up and more smarts to detect complex commands.