diff --git a/build/build-phar.php b/build/build-phar.php
index 6d3f0fe..95c0a89 100644
--- a/build/build-phar.php
+++ b/build/build-phar.php
@@ -13,13 +13,18 @@ $filename = $config->{"filename"};
 $version = $config->{"version"};
 $branch = "debug";
 
-if($config->{"debug"}) $path = $path."/debug";
+if($config->{"debug"}) {
+    $path = $path."/debug";
+    $debug = "True";
+}
 else {
+    $debug = "False";
     $path = $path."/release";
     $branch = "release";
 }
 
-echo "[CONF] Debug=".$config->{"debug"}."\n";
+
+echo "[CONF] Debug=".$debug."\n";
 echo "[CONF] Path=".$path."\n";
 echo "[CONF] Filename=".$filename."\n";
 echo "[CONF] Version=".$version."\n";
diff --git a/src/LonaDB/Actions/check_permission.php b/src/LonaDB/Actions/check_permission.php
index c17a147..ee91b30 100644
--- a/src/LonaDB/Actions/check_permission.php
+++ b/src/LonaDB/Actions/check_permission.php
@@ -17,7 +17,7 @@ return new class {
             return;
         }
 
-        $permission = $lona->UserManager->CheckPermission($data['permission']['user'], $data['permission']['name']);
+        $permission = $lona->UserManager->CheckPermission($data['permission']['user'], $data['permission']['name'], $data['login']['name']);
 
         $response = json_encode(["success" => true, "result" => $permission, "process" => $data['process']]);
         $server->send($fd, $response);
diff --git a/src/LonaDB/Actions/create_table.php b/src/LonaDB/Actions/create_table.php
index 2965fa0..06666b9 100644
--- a/src/LonaDB/Actions/create_table.php
+++ b/src/LonaDB/Actions/create_table.php
@@ -17,6 +17,13 @@ return new class {
             return;
         }
 
+        if(str_starts_with($data['table']['name'], "system.") && $data['login']['name'] !== "root"){
+            $response = json_encode(["success" => false, "err" => "not_root", "process" => $data['process']]);
+            $server->send($fd, $response);
+            $server->close($fd);
+            return;
+        }
+
         $table = $lona->TableManager->CreateTable($data['table']['name'], $data['login']['name']);
 
         if(!$table){
diff --git a/src/LonaDB/Actions/delete_user.php b/src/LonaDB/Actions/delete_user.php
index eec368f..5a7a35e 100644
--- a/src/LonaDB/Actions/delete_user.php
+++ b/src/LonaDB/Actions/delete_user.php
@@ -17,7 +17,7 @@ return new class {
             return;
         }
 
-        if(!$lona->UserManager->CheckUser($data['user'])){
+        if(!$lona->UserManager->CheckUser($data['user']['name'])){
             $response = json_encode(["success" => false, "err" => "user_doesnt_exist", "process" => $data['process']]);
             $server->send($fd, $response);
             $server->close($fd);
diff --git a/src/LonaDB/Actions/eval.php b/src/LonaDB/Actions/eval.php
index a50cec5..a192d2a 100644
--- a/src/LonaDB/Actions/eval.php
+++ b/src/LonaDB/Actions/eval.php
@@ -1,22 +1,36 @@
 <?php
 
+require 'vendor/autoload.php';
+use LonaDB\LonaDB;
+
 return new class {
-    public function run($lonaEval, $data, $server, $fd) : void {
+    public function run($LonaDB, $data, $server, $fd) : void {
+        $functions = [];
+
         if($data['login']['name'] !== 'root') {
             $response = json_encode(["success" => false, "err" => "not_root", "process" => $data['process']]);
             $server->send($fd, $response);
             $server->close($fd);
         }
 
-        $evalFunc = "function evaluate_".$data['process']."(\$lona) { ";
-        $evalFunc .= $data['function'];
-        $evalFunc .= " }";
+        $evalFunc = "\$functions['" . $data['process'] . "'] = new class { \n";
+        $evalFunc .= "public function Execute(\$LonaDB) : mixed {\n";
+        $evalFunc .= $data['function'] . "\n";
+        $evalFunc .= "}\n};";
 
-        eval($evalFunc);
+        try{
+            eval($evalFunc);
 
-        eval("\$answer = evaluate_".$data['process']."(\$lonaEval);");
-
-        echo $answer;
+            try{
+                $answer = $functions[$data['process']]->Execute($LonaDB);
+            }
+            catch(e){
+                $answer = e;
+            }
+        }
+        catch(e){
+            $answer = e;
+        }
 
         $response = json_encode(["success" => true, "response" => $answer, "process" => $data['process']]);
         $server->send($fd, $response);
diff --git a/src/LonaDB/Actions/get_permissions_raw.php b/src/LonaDB/Actions/get_permissions_raw.php
index d8149c9..64df1f9 100644
--- a/src/LonaDB/Actions/get_permissions_raw.php
+++ b/src/LonaDB/Actions/get_permissions_raw.php
@@ -2,6 +2,13 @@
 
 return new class {
     public function run($lona, $data, $server, $fd) : void {
+        if($data['login']['name'] !== "root" && $lona->UserManager->GetRole($data['login']['name']) !== "Administrator"){
+            $response = json_encode(["success" => false, "err" => "not_allowed", "process" => $data['process']]);
+            $server->send($fd, $response);
+            $server->close($fd);
+            return;
+        }
+
         if(!$lona->UserManager->CheckUser($data['user'])){
             $response = json_encode(["success" => false, "err" => "user_doesnt_exist", "process" => $data['process']]);
             $server->send($fd, $response);
@@ -11,8 +18,8 @@ return new class {
 
         $permissions = $lona->UserManager->GetPermissions($data['user']);
 
-        if($permissions === []) $response = '{ "success": true, "list": {}, "process": "'.$data['process'].' }';
-        else $response = json_encode(["success" => true, "list" => $permissions, "process" => $data['process']]);
+        if($permissions === []) $response = '{ "success": true, "list": {}, "role": "' . $lona->UserManager->GetRole($data['user']) . '", "process": "'.$data['process'].'" }';
+        else $response = json_encode(["success" => true, "list" => $permissions, "role" => $lona->UserManager->GetRole($data['user']), "process" => $data['process']]);
         $server->send($fd, $response);
         $server->close($fd);
     }
diff --git a/src/LonaDB/Actions/get_table_data.php b/src/LonaDB/Actions/get_table_data.php
index f3c5ef2..bcc18b7 100644
--- a/src/LonaDB/Actions/get_table_data.php
+++ b/src/LonaDB/Actions/get_table_data.php
@@ -16,9 +16,9 @@ return new class {
             return;
         }
 
-        $tableData = $lona->TableManager->GetData();
+        $tableData = $lona->TableManager->getTable($data['table'])->GetData();
 
-        if($tableData === []) $response = '{ "success": true, "data": {}, "process": "'.$data['process'].' }';
+        if($tableData === []) $response = '{ "success": true, "data": {}, "process": "'.$data['process'].'" }';
         else $response = json_encode(["success" => true, "data" => $tableData, "process" => $data['process']]);
         $server->send($fd, $response);
         $server->close($fd);
diff --git a/src/LonaDB/Tables/TableManager.php b/src/LonaDB/Tables/TableManager.php
index 6d2640f..519c72f 100644
--- a/src/LonaDB/Tables/TableManager.php
+++ b/src/LonaDB/Tables/TableManager.php
@@ -76,7 +76,7 @@ class TableManager{
             return false;
         }
 
-        unlink("data/".$name.".json");
+        unlink("data/tables/".$name.".lona");
         unset($this->Tables[$name]);
         $this->LonaDB->Logger->Table("Deleted table '" . $name . "', requested by user '" . $user . "'");
         return true;
diff --git a/src/LonaDB/Users/UserManager.php b/src/LonaDB/Users/UserManager.php
index 819e52c..ab403b7 100644
--- a/src/LonaDB/Users/UserManager.php
+++ b/src/LonaDB/Users/UserManager.php
@@ -31,11 +31,9 @@ class UserManager{
     }
 
     public function CheckPassword(string $name, string $password) : bool {
-        $this->LonaDB->Logger->User("Trying to check password for user '" . $name . "'");
         if($name === "root" && $password === $this->LonaDB->config["root"]) return true;
 
         if(!$this->Users[$name]) {
-            $this->LonaDB->Logger->User("User '".$name."'doesn't exist");
             return false;
         }
 
@@ -57,7 +55,7 @@ class UserManager{
             array_push($users, $name);
         }
 
-        return users;
+        return $users;
     }
 
     public function CreateUser(string $name, string $password) : bool {
@@ -69,7 +67,7 @@ class UserManager{
         }
 
         $this->Users[$name] = array(
-            "role" => "user",
+            "role" => "User",
             "password" => $password,
             "permissions" => [
                 "default" => true
@@ -97,14 +95,49 @@ class UserManager{
         return true;
     }
 
+    public function GetRole(string $name) : string {
+        if($name === "root") return "Superuser";
+        if(!$this->CheckUser($name)) return "";
+
+        return $this->Users[$name]['role'];
+    }
+
     public function CheckPermission(string $name, string $permission, string $user = "") : bool {
+        if(!$this->CheckUser($name)) return false;
+        if($this->GetRole($name) === "Administrator" || $this->GetRole($name) === "Superuser") return true;
+
+        if(!$this->Users[$name]['permissions'][$permission]) return false;
+
         return true;
     }
 
     public function GetPermissions(string $name) : array {
+        if($name === "root") return [];
         return $this->Users[$name]['permissions'];
     }
 
+    public function AddPermission(string $name, string $permission) : bool {
+        if($name === "root") return false;
+        if(!$this->CheckUser($name)) return false;
+
+        $this->Users[$name]['permissions'][$permission] = true;
+        $this->LonaDB->Logger->User("Added permission '" . $permission . "' to user '" . $name . "'");
+        
+        $this->Save();
+        return true;
+    }
+
+    public function RemovePermission(string $name, string $permission) : bool {
+        if($name === "root") return false;
+        if(!$this->CheckUser($name)) return false;
+
+        unset($this->Users[$name]['permissions'][$permission]);
+        $this->LonaDB->Logger->User("Removed permission '" . $permission . "' from user '" . $name . "'");
+        
+        $this->Save();
+        return true;
+    }
+
     public function Save() : void {
         $iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length(AES_256_CBC));