Changes in Core 2.0:

 - Solve error in Network implementation saying the address is already taken
 - Minor modifications to comply to syntax standard
 - Change object package relation to package relation
 - Add a WrappedValue trait to treat expression extensions
 - Add a Printer trait to provide pretty printing functionalities (work in progress)
 - Solve errors in test class CriojoMapTest
 - Add a test for distributed computation
 - Include a TestCham trait with testing features: Assert, etc
 - Modify CriojoNetwork project to work with Criojo core 2.0
 - Modify Scala types implementation to separate Patterns from Expressions
Two versions of Sierpinski example
Changes in Core 2.0:

- Two versions of Sierpinski example