The other part of this ticket (add OTHER_OPERATION_IN_PROGRESS to the known errors) has already been done in commit 97a60c91.
Minor refactoring to the VMProblem class.
Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
prevent them from being serialised alongside the API properties. This will also
be useful for moving the API bindings out of XenModel.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>