Resolve "Print SFG"

Closes #19 (closed)

b_asic/signal_flow_graph.py

@@ -359,10 +359,17 @@ class SFG(AbstractOperation):
                 for key, value in self._components_by_id.items():
                     if value is comp:
                         output_string += "id: " + key + ", name: "
+                
                 if comp.name != None:
-                    output_string += comp.name + ", input: ["
+                    output_string += comp.name + ", "
+                else:
+                    output_string += "-, "
+                
+                if comp.type_name is "c":
+                    output_string += "value: " + str(comp.value) + ", input: ["
                 else:
-                    output_string += "-, input: ["
+                    output_string += "input: [" 
+
                 counter_input = 0
                 for input in comp.inputs:
                     counter_input += 1