diff --git a/bintree.c b/bintree.c
index 50d6b9b..1363dcf 100644
--- a/bintree.c
+++ b/bintree.c
@@ -22,7 +22,7 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
 		newNode->data = malloc(dataSize);
 		newNode->left = NULL;
 		newNode->right = NULL;
-		strcpy(newNode->data, data);
+		memcpy(newNode->data, data, dataSize);
 		if(isDuplicate)
 			*isDuplicate = 0;
 		return newNode;
@@ -52,19 +52,16 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
 // push the top node and push all its left nodes.
 void *nextTreeData(TreeNode *root)
 {
-	printf("nextTreeData wurde gecallt!\n");
 	if(root)
 	{
 		stackRoot = addTreeToStack(stackRoot, root);
-		printf("Baum wurde geladen!\n");
 	}
-	printf("\n\nstackRoot ist: %x\n\n", stackRoot);
-	StackNode *stackPuffer = pop(stackRoot);
-	if(!stackPuffer)
-		printf("Something went horriffically wrong! There is no Data!");
-	void *buffer = (stackPuffer->stackData);
-	printf("neuer Eintrag wurde geholt: %x\n", buffer);
-	return buffer;
+	void *stackBuffer = top(stackRoot);
+	stackRoot = pop(stackRoot);
+	//void *buffer = (stackBuffer->stackData);
+	//printf("neuer Eintrag wurde geholt: %x\n", buffer);
+	//return buffer;
+	return stackBuffer;
 }
 // Adds all Treenode-Datas of a root into a stack ordered from left to right
 StackNode *addTreeToStack(StackNode *start, TreeNode *root)
@@ -74,7 +71,6 @@ StackNode *addTreeToStack(StackNode *start, TreeNode *root)
 		start = addTreeToStack(start, root->left);
 	}
 	start = push(start, root->data);
-	printf("\na new Dataset has been added! new stackRoot: %x", start);
 	if(root->right)
 	{
 		start = addTreeToStack(start, root->right);
diff --git a/highscores.txt b/highscores.txt
index 67c6bd3..7988a44 100644
--- a/highscores.txt
+++ b/highscores.txt
@@ -1,10 +1,9 @@
-Ottp;4522070
-Ottp;4522070
-Ottp;4522070
-Ottp;4522070
-Ottp;4522070
-Ottp;4522070
-Ottp;4522070
-Ottp;4522070
-Ottp;4522070
-Ottp;4522070
+HeldDerSteine;69
+Gunter11;121
+MaxiMustermann;316
+MillaMusterfrau;420
+testspieler68;2996
+testspieler69;2997
+testspieler67;2997
+testspieler1;2997
+testspieler68;4991
diff --git a/main.c b/main.c
index 30008e7..86e4d90 100644
--- a/main.c
+++ b/main.c
@@ -84,6 +84,5 @@ int main(int argc, char *argv[])
 
         exitCode = EXIT_SUCCESS;
     }
-
     return exitCode;
 }
\ No newline at end of file
diff --git a/stack.c b/stack.c
index 831770a..5031324 100644
--- a/stack.c
+++ b/stack.c
@@ -34,14 +34,12 @@ StackNode *push(StackNode *stack, void *data)
 // freed by caller.)
 StackNode *pop(StackNode *stack)
 {
-	printf("A stack is being popped");
     if(stack) {
         StackNode* temp = stack;
         stack = stack->below;
         temp->stackData = NULL;
-        //free(temp);
-        //temp = NULL;
-		printf("Stack returns stack at: %x\n", stack);
+        free(temp);
+        temp = NULL;
         return stack;
     } 
 	else