[U] Updated version code

[F] Fixes SlimefunGuguProject#128

[F] Fixes SlimefunGuguProject#128

[U] 更新版本号

[F] Fixes SlimefunGuguProject#126

[F] 修复稳定版还能获取到开发版更新

[O] 修改更新器

[U] 删除对 PlotSquared 的直接权限检查

CS-CoreLib2 已对 PlotSquared v4/v5 做出支持
详情请见: https://github.com/TheBusyBiscuit/CS-CoreLib2/blob/master/src/main/java/io/github/thebusybiscuit/cscorelib2/protection/modules

[M] 合并上游至 cf24923

[O] 优化权限检查