Merge pull request 'master' (#11) from master into unstable

Reviewed-on: #11

src/types.c

@@ -412,6 +412,9 @@ void printGroundInstruction(GroundInstruction* gi) {
             break;
         case CREATELABEL:
             break;
+        case ERRORCMD:
+            printf("error");
+            break;
         default:
             printf("FIXME");
             break;