A set of random formula and item conversion are added to make py series mod easier, and the function of auxiliary random property is added without changing the original difficulty. 增加了一组随机配方和物品转换来使得py系列mod显得更容易，在不改变原有难度的基础上增加的辅助随机性质的功能
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022