fix session_sessiontimeout request and add missing language string

Signed-off-by: envoyr <hello@envoyr.com>

admin_settings.php

@@ -69,7 +69,7 @@
 		}
 
 		// check if the session timeout is too low #815
-		if (Request::post('session_sessiontimeout', 0) < 60) {
+		if (!empty(Request::post('session_sessiontimeout')) &&  intval(Request::post('session_sessiontimeout', 0)) < 60) {
 			Response::standardError(['session_timeout', 'session_timeout_desc']);
 		}
 

dns_editor.php

@@ -43,7 +43,7 @@
 
 $domain_id = (int)Request::any('domain_id');
 
-$record = Request::post('dns_record', null);
+$record = Request::post('dns_record');
 $type = Request::post('dns_type', 'A');
 $prio = Request::post('dns_mxp');
 $content = Request::post('dns_content');

lng/de.lng.php

@@ -1830,6 +1830,7 @@
 		],
 		'passwordcryptfunc' => [
 			'title' => 'Wählen Sie die zu verwendende Passwort-Verschlüsselungsmethode',
+			'description' => 'Wählen Sie, welche Methode zur Verschlüsselung von Kennwörtern verwendet werden soll. Wenn Sie diese Einstellung ändern, werden nur neue Kennwörter mit der neuen Methode verschlüsselt. Bestehende Passwörter werden nicht geändert.'
 		],
 		'systemdefault' => 'Systemstandard',
 		'panel_allow_theme_change_admin' => 'Erlaube Admins das Theme zu wechseln',

lng/en.lng.php

@@ -1952,6 +1952,7 @@
 		],
 		'passwordcryptfunc' => [
 			'title' => 'Choose which password-crypt method is to be used',
+			'description' => 'Choose which password-crypt method is to be used. If you change this setting, only new passwords will be encrypted with the new method. Existing passwords will not be changed.',
 		],
 		'systemdefault' => 'System default',
 		'panel_allow_theme_change_admin' => 'Allow admins to change the theme',