Simple example that uses the TopBraid Composer API to create and save a
SPIN function on the RDF model.
Functionalities:
-Create a SPIN function
-Create the function's variables
-List SPIN functions
-List usage variables
-Define values for the usage variables
-Use the function and print the dynamically calculated value
Merge pull request #1 from dguedesb/master

Simple example that uses the TopBraid Composer API to create and save a SPIN function on the RDF model.