Upgrated: there is no need for a class to do this stuff.
Fixed: the methods return an empty string (falsy value) instead of false.
Fixed: autolocale and default locale are now internal variables instead of global constants.
Fixed: the log level is now a internal variable instead of a global constant.
Fixed: some comments.
Upgrated: it is not a static class anymore.
Fixed: logError needs an ErrorException instead of a string.
Upgrated: new error managing system.
Fixed: rewrite rules revisited.
Fixed: the log flag must be a string to get a correct comparation.
Fixed: i18n log system.
The extension loader now loads the i18n domain of every extension if available.
Comments and formating.
The framework has also specific web errors.
The heart script has been refactored.