v1.0.13

fix

• no new captcha when posting
• Spanisch and French options to language switcher on mobile view

add

• hide new-thread button in non-existent boards
• existence check in edit-post and edit-thread
• token system instead of stored password
• user data
• website in user profile
• data export
• error message for non-existent pages
• error message for non-existent board
• error message for non-existent edit-post
• error message for non-existent edit-thread
• error message for non-existent new-thread

optimize

• language system
• backend handlers
• backend error printing