diff --git a/src/calc.c b/src/calc.c
index 0f8fe5a..b19208c 100644
--- a/src/calc.c
+++ b/src/calc.c
@@ -334,6 +334,10 @@ Object add_window(Object obj1, Object obj2, struct Environment *env)
 static void inbox_received_callback(DictionaryIterator *iter, void *context) {
     Tuple *script_tuple = dict_find(iter, MESSAGE_KEY_ScriptText);
     if(script_tuple) {
+        if(!s_code_window) {
+            current_code = 0;
+            code_window_push();
+        }
         char *script_text = script_tuple->value->cstring;
         snprintf(temptext, sizeof(temptext), "%s", script_text);
         snprintf(mytext, sizeof(mytext), "%s", script_text);
diff --git a/src/object.c b/src/object.c
index 23bdf30..22db730 100644
--- a/src/object.c
+++ b/src/object.c
@@ -105,6 +105,8 @@ inline int isEmpty(const Object *obj)
             return obj->string == NULL || obj->string[0] == '\0';
         case TYPE_FUNC:
             return obj->func == NULL;
+        case TYPE_OTHER:
+            return obj->other == NULL;
         case TYPE_ERROR:
             return obj->err == 0;
     }
@@ -302,6 +304,10 @@ char* stringObj(char *dest, const Object *obj)
         case TYPE_FUNC:
         case TYPE_LAMBDA:
             snprintf(dest, RESULT_LENGTH, "X%d", obj->number);
+            break;
+        case TYPE_OTHER:
+            snprintf(dest, RESULT_LENGTH, "%p", obj->other->data);
+            break;
     }
 
     if(!isValidType(*obj))
@@ -350,6 +356,8 @@ void _printObj(const Object *obj, int newline)
             printd("Lambda Body: \n");
             printObj(&obj->lambda->body);
             return;
+        case TYPE_OTHER:
+            printd("TYPE_OTHER: ");
         case TYPE_ERROR:
             printd("TYPE_ERROR: ");
             break;
@@ -429,6 +437,10 @@ void cleanObject(Object *target)
             cleanObject(&target->lambda->body);
             free(target->lambda);
             break;
+        case TYPE_OTHER:
+            target->other->cleanup(target);
+            free(target->other);
+            break;
         case TYPE_BOOL:
         case TYPE_NUMBER:
         case TYPE_FUNC:
@@ -573,6 +585,7 @@ inline int isValidType(const Object test)
         case TYPE_SYMBOL:
         case TYPE_LAMBDA:
         case TYPE_STRING:
+        case TYPE_OTHER:
         case TYPE_ERROR:
             return 1;
     }
@@ -618,6 +631,7 @@ inline Object cloneObject(const Object src)
         case TYPE_BOOL:
         case TYPE_NUMBER:
         case TYPE_FUNC:
+        case TYPE_OTHER:
         case TYPE_ERROR:
             ; // Fall through to plain return
     }
@@ -677,6 +691,13 @@ inline int isError(const Object obj, const enum errorCode err)
     return obj.type == TYPE_ERROR && obj.err == err;
 }
 
+inline Object otherObject()
+{
+    Object o = newObject(TYPE_OTHER);
+    o.other = malloc(sizeof(struct Other));
+    return o;
+}
+
 inline Object errorObject(enum errorCode err)
 {
     Object o = newObject(TYPE_ERROR);
diff --git a/src/object.h b/src/object.h
index ed4fa2f..b5bb1bd 100644
--- a/src/object.h
+++ b/src/object.h
@@ -50,6 +50,7 @@ typedef enum Type {
     TYPE_SYMBOL,
     TYPE_LAMBDA,
     TYPE_STRING,
+    TYPE_OTHER,
     TYPE_ERROR
 } Type;
 
@@ -57,6 +58,7 @@ typedef struct Object Object;
 struct Lambda;
 struct Environment;
 struct Slice;
+struct Other;
 
 struct Object {
     Type type;
@@ -67,6 +69,7 @@ struct Object {
         char *string;
         Object (*func)(Object, Object, struct Environment *);
         struct Lambda *lambda;
+        struct Other *other;
         enum errorCode err;
     };
 };
@@ -76,6 +79,11 @@ struct Lambda {
     Object body;
 };
 
+struct Other {
+    void (*cleanup)(Object*);
+    void *data;
+};
+
 char* stringObj(char *dest, const Object *obj);
 void printList(const Object *list);
 void printObj(const Object *obj);
@@ -110,12 +118,11 @@ Object cloneObject(const Object src);
 Object newObject(Type type);
 Object listObject();
 Object startList(const Object start);
-Object lambdaObject();
-Object symbolObject();
 Object objFromSlice(const char *string, int len);
 Object symFromSlice(const char *string, int len);
 Object boolObject(int b);
 Object numberObject(int num);
+Object otherObject();
 Object errorObject(enum errorCode err);
 Object constructLambda(const Object *params, const Object *body);
 
diff --git a/src/pebblisp.c b/src/pebblisp.c
index 9c154a3..aeea5de 100644
--- a/src/pebblisp.c
+++ b/src/pebblisp.c
@@ -172,6 +172,7 @@ Object eval(const Object *obj, struct Environment *env)
         case TYPE_FUNC:
             return *obj;
 
+        case TYPE_OTHER:
         case TYPE_NUMBER:
         case TYPE_BOOL:
         case TYPE_STRING: