Is your feature request related to a problem? Please describe.
A user entered the username with uppercases in it, caused a new user
Describe the solution you'd like
Add in admin.php: $user = strtolower($user); before $user_file = 'config/users/' . $user . '.ini';
Describe alternatives you've considered
Suggesting user name does not exist. But case insensitive is better for ordinary uers
Additional context
Is your feature request related to a problem? Please describe.
A user entered the username with uppercases in it, caused a new user
Describe the solution you'd like
Add in admin.php: $user = strtolower($user); before $user_file = 'config/users/' . $user . '.ini';
Describe alternatives you've considered
Suggesting user name does not exist. But case insensitive is better for ordinary uers
Additional context