[Added] Added restrictions on various merchandises in different currency units in the Groups.yml file (see comments in the configuration file for details).
[Optimized] Rewrite the statistical data function. (Changed some statistical objects).
[Added] Added new statistics type and corresponding placeholders. (See wiki for details)
[Fixed] Fixed some bugs in code details.
Note that due to the rewriting of statistical data functionality in this version, we recommend that you use the command "/gmp admin database backup merchant" to back up the data before updating to the latest version.