fixed json serialization when a node of an edge is null (ie not visible by the current user
Merge pull request #568 from giastfader/master

fixed json serialization when a node of an edge is null (ie not visible by the current user)
changed some log statement from info to debug
Merge pull request #569 from giastfader/master

changed some log statement from info to debug
fixed bug when calling remote API via plugin engine using POST method, it used always PUT
Merge pull request #570 from giastfader/master

fixed bug when calling remote API via plugin engine using POST method, it used always PUT
release 0.9.0
Merge pull request #571 from giastfader/master

release 0.9.0
Merge pull request #2 from baasbox/master

pull from repository baasbox