Add new method to get the next rankchange class.

Signed-off-by: Staartvin <mijnleraar@msn.com>
Change API to use correct method.

Signed-off-by: Staartvin <mijnleraar@msn.com>
Simplify check method. (There can only be one rank up, so we don't have
to loop)

Signed-off-by: Staartvin <mijnleraar@msn.com>
Show the gamemode number instead of the name (in the progress)

Signed-off-by: Staartvin <mijnleraar@msn.com>
Fix the progress bar.

Signed-off-by: Staartvin <mijnleraar@msn.com>
Do not register warning as it will spam every few seconds. Autorank can
work without a stats plugin, but it is not the best way.

Signed-off-by: Staartvin <mijnleraar@msn.com>