Because json will automatically handle list string parsing, no need
to cast to list object again. And this adapter will throw exception
when value is None. So remove them all.
Change-Id: I61b71e9db94e5da2cab5d26afc2b504d2cbdf274
Now it will automatically detect the RSD PODM API version and create
corresponding object for it. This will be easy to add more version
support in the future.
Change-Id: I18039ef1a4aeebb4176aae1d6162de0f8f9e2123