Return a dict by default for execution's params (#224)
Return a dict by default for execution's params (#224)

* Return a dict by default for execution's params

Sometimes (for example, after snapshot restore) an execution can potentially have None in the params value. This is _probably_ due to faulty server-side code, but this solution is simpler :)

* Actually return a dict when `parameters` is None

cloudify-cosmo/cloudify-rest-client