added method that convert an object and it references into a dictionary, added properties to return that object as JSON string or Pickle string
removed black spaces
now if a model object is return from a controller method, the routing system serialize it into JSON (if possible) and return it back
relnotes/index.rst updated
Merge pull request #75 from DamnWidget/master

Added models conversion to dict and serialization into JSON and PICKLE including References and ReferenceSet
now model parameter for Fixture constructor accepts list or tuple of models
Merge remote-tracking branch 'upstream/master'