It allows to modify system configuration from the interface. At the moment, only limits are modifiable. The user limit was removed from the user page and added here along with categories and feeds limits.
Test if the install or uninstall has been successfully performed.
If these methods return true, all is ok but if a string is returned,
the string must explain the problem. This problem is stored in log file.
A feedback is given to explain to check log file.
This commit fix a problem in the english translation of
feedback.sub.feed.internal_problem.