* slice's gid and nodes gid stored in all slices (/etc/sfa/slicegid, /etc/sfa/nodegid)
- Fully integrate SOAP (need to throw either soap or xmlrpc exceptions depending on the client)
+- error messages
+* error messages should be easier to understand
+* (failing to connect to plcapi shoudl return a helpful message, not a generic internal server error)
+
- unit tests