Added test classes for the networking and made so that the network engine sends object insted of raw data

src/ei/engine/network/util/Converter.java

@@ -48,4 +48,20 @@ public class Converter {
 		}
 		return object;
 	}
+	
+	/**
+	 * Checks if the given interface is implemented in the object
+	 * @param object The object to look for the interface
+	 * @param interf The interface to look for
+	 * @return True if the interface is implemented else false
+	 */
+	public static boolean isInstanceOf(Object object, Class interf){
+		Class[] objectInterf = object.getClass().getInterfaces();
+		for(int i=0; i<objectInterf.length ;i++){
+			if(objectInterf[i] == interf){
+				return true;
+			}
+		}
+		return false;
+	}
 }