manually tested is_connected method

integration/code/pn_interface.alc

@@ -91,9 +91,6 @@ Boolean function node_match(transf_model : Element, transf_elem : Element, host_
 	return True
 
 Integer function are_connected(model: Element, el1:Element, el2:Element):
-	log("= ARE CONNECTED")
-	log(getName(model, el1))
-	log(getName(model, el2))
 	String el1_mmt
 	String el2_mmt
 	el1_mmt = getMetaTypeName(model, el1)
@@ -113,10 +110,8 @@ Integer function are_connected(model: Element, el1:Element, el2:Element):
 			log(string_join("type = ", el2_mmt))
 	elif (el1_mmt == "l5"):
 		if( element_eq(read_edge_src(el1) , el2)): //warning is this the right type of equality?
-			log("source of el1 is el2")
 			return 2 //incoming
 		elif( element_eq(read_edge_dst(el1) , el2)): //right type of equality?
-			log("destination of el1 is el2")
 			return 1 //outgoing
 		else:
 			return 0 //edge is not connected