* NEW: added zLib dependency.
* NEW: removed all classes moved to the zLib, and updated the references to these classes to the zLib ones.
* BUG: fixed some GUI navigation problems.
* NEW: implemented the items renaming into the details GUI.
* NEW: Refactored PluginLogger for multi-thread usage and message formatting.
* NEW: Posters and maps that could not be migrated are now saved back
to their original files.
* NEW: Moved the maptool-migration command to the /maptool migrate subcommand.
* NEW: PosterMap can now be used without having row/column count information.
* NEW: Added a detailed help message for the migration command.
* BUG: Fixed UUIDFetcher's HTTP GET request sending.
* BUG: Fixed Name->UUID time-specific matching.
* OPT: Removed the CommandPermission structure, it is actually useless.
* OPT: Renamed Migrator to MigratorExecutor.
Amaury Carrade
Vlammar
Prokopyl