Finish Completion Linear.

src/ecoparasite/population/Population.java

@@ -115,4 +115,9 @@ public class Population implements DataParsing {
         return PopulationParsing.parseParasitesPeru(data);
     }
 
+    @Override
+    public String toString() {
+        return String.format( "[%s] - Total: %s", id, total );
+    }
+
 }