Band-aid fix for null type

src/interpreter.c

@@ -225,6 +225,9 @@ void addArgsToGroundFunction(GroundFunction* function, GroundValueType type, cha
 };
 
 GroundValueType stringToValueType(char* in) {
+    if (in == NULL) {
+        return ANY;
+    }
     if (strcmp(in, "int") == 0) {
         return INT;
     }

src/types.c

@@ -362,6 +362,9 @@ void printGroundArg(GroundArg* ga) {
             break;
         }
         case TYPEREF: {
+            if (ga->value.refName != NULL) {
+                printf("-any ");
+            }
             printf("-%s", ga->value.refName);
             break;
         }