diff --git a/src/Makefile b/src/Makefile
index 1fd09ee..598a053 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -12,21 +12,21 @@ mkfile_dir := $(dir $(mkfile_path))
 GCC_ARGS ?= -g -Wall -o $(exe) -D WEBSERVER -D STANDALONE -DSCRIPTDIR=\"$(SCRIPTDIR)\"
 GCC_COM ?= gcc -O0 $(GCC_ARGS)
 
-release:
-	gcc -O3 $(GCC_ARGS) $(file_libs) && strip ./$(exe) && echo && ./tests.sh
+all: notest
+	echo && ./tests.sh
 
 notest:
 	$(GCC_COM) $(file_libs)
 
-all: notest
+val: notest
+	./tests.sh -val
+
+release_notest:
+	gcc -O3 $(GCC_ARGS) $(file_libs) && strip ./$(exe) 
+
+release: release_notest
 	echo && ./tests.sh
 
-local:
-	gcc -g -O0 -Wall -o $(exe) -D STANDALONE -DSCRIPTDIR=\"$(mkfile_dir)/examples\" $(file_libs)
-
-val:
-	$(GCC_COM) $(file_libs) && ./tests.sh -val
-
 debug:
 	$(GCC_COM) -D DEBUG $(file_libs)
 
diff --git a/src/object.c b/src/object.c
index 10f7997..ef4dceb 100644
--- a/src/object.c
+++ b/src/object.c
@@ -5,6 +5,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#ifdef STANDALONE
 size_t bytes = 0;
 
 size_t getBytes()
@@ -12,6 +13,9 @@ size_t getBytes()
     return bytes;
 }
 
+#undef malloc
+#undef calloc
+
 void* smalloc(size_t size)
 {
     bytes += size;
@@ -27,6 +31,7 @@ void* scalloc(size_t size, size_t count)
 
 #define malloc(x) smalloc(x)
 #define calloc(x, y) scalloc(x, y)
+#endif
 
 /**
  * Returns the length of a given list Object
@@ -313,7 +318,7 @@ char* stringObj(const Object* obj, size_t* length)
     };
     s.allocPoint[0] = '\0';
     stringNObj(&s, obj);
-    *length = s.cursor - s.allocPoint;
+    *length += s.cursor - s.allocPoint;
     return s.allocPoint;
 }
 
diff --git a/src/object.h b/src/object.h
index 55aa05c..3e0c955 100644
--- a/src/object.h
+++ b/src/object.h
@@ -134,6 +134,11 @@ struct string {
     size_t capacity;
 };
 
+/**
+ * Returns a dynamically-sized string representation of the given object.
+ *
+ * _Adds_ the length of the new string to the `length` parameter.
+ */
 char* stringObj(const Object* obj, size_t* length);
 
 void printType(const Object* obj);
@@ -240,4 +245,11 @@ int getAllocations();
 
 size_t getBytes();
 
+void* scalloc(size_t size, size_t count);
+
+void* smalloc(size_t size);
+
+#define malloc(x) smalloc(x)
+#define calloc(x, y) scalloc(x, y)
+
 #endif
diff --git a/src/plfunc.c b/src/plfunc.c
index 5b43d9a..865e952 100644
--- a/src/plfunc.c
+++ b/src/plfunc.c
@@ -224,46 +224,28 @@ Object parseEvalO(Object* params, int length, struct Environment* env)
     }
 }
 
-#ifdef STANDALONE
-#define CAT_MAX 1024
-#else
-#define CAT_MAX 64
-#endif
-
-Object _catObjects(Object obj1, Object obj2, struct Environment* env)
-{
-    Object evalObj1 = eval(&obj1, env);
-    Object evalObj2 = eval(&obj2, env);
-
-    size_t length1;
-    size_t length2;
-    char* str1 = stringObj(&evalObj1, &length1);
-    char* str2 = stringObj(&evalObj2, &length2);
-
-    cleanObject(&evalObj1);
-    cleanObject(&evalObj2);
-
-    Object o = withLen(length1 + length2, TYPE_STRING);
-    sprintf(o.string, "%s%s", str1, str2);
-    free(str1);
-    free(str2);
-
-    return o;
-}
-
 Object catObjects(Object* params, int length, struct Environment* env)
 {
     checkTypes(catObjects)
 
-    Object string = stringFromSlice("", 0);
     if (length == 0) {
-        return string;
+        return stringFromSlice("", 0);
     }
+
+    char* strings[length];
+    size_t totalLength = 0;
     for (int i = 0; i < length; i++) {
-        Object newString = _catObjects(string, params[i], env);
-        cleanObject(&string);
-        string = newString;
+        strings[i] = stringObj(&params[i], &totalLength);
     }
+
+    Object string = withLen(totalLength, TYPE_STRING);
+    string.string[0] = '\0';
+
+    for (int i = 0; i < length; i++) {
+        strcat(string.string, strings[i]);
+        free(strings[i]);
+    }
+
     return string;
 }
 
@@ -332,14 +314,14 @@ Object equ(Object* params, int length, struct Environment* env)
     if (length < 2) {
         return errorObject(NOT_ENOUGH_ARGUMENTS);
     }
-    int bool = 1;
+
     for (int i = 0; i < length - 1; i++) {
         if (!areEqual(&params[i], &params[i + 1])) {
-            bool = 0;
-            break;
+            return falseObject();
         }
     }
-    return boolObject(bool);
+
+    return trueObject();
 }
 
 Object or(Object* params, int length, struct Environment* env)
@@ -347,14 +329,13 @@ Object or(Object* params, int length, struct Environment* env)
     if (length < 2) {
         return errorObject(NOT_ENOUGH_ARGUMENTS);
     }
-    int bool = 0;
+
     for (int i = 0; i < length - 1; i++) {
         if (params[i].number || params[i + 1].number) {
-            bool = 1;
-            break;
+            return trueObject();
         }
     }
-    return boolObject(bool);
+    return falseObject();
 }
 
 #define BASIC_COMPARISON(NAME, OP)\
@@ -363,14 +344,13 @@ Object NAME(Object* params, int length, struct Environment* env) \
     if (length < 2) { \
         return errorObject(NOT_ENOUGH_ARGUMENTS); \
     } \
-    int bool = 1; \
+    \
     for (int i = 0; i < length - 1; i++) {                       \
         if (!(params[i].number OP params[i + 1].number)) { \
-            bool = 0; \
-            break; \
+            return falseObject(); \
         } \
     } \
-    return boolObject(bool); \
+    return trueObject(); \
 }
 
 BASIC_COMPARISON(greaterThan, >)