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Use as `pauseTask(taskName)`. They return boolean values to tell the developer if a timed task can be paused/resumed/cancelled properly.
A little bit of testing shows that pausing and then resuming may execute the task multiple times.

Use `LOG_LEVEL` environment variable to override logging level for `emu.grasscutter` (which also contains all loggers under it). This might help with debugging various issues reported by users. Previously, the only way to override these levels would be to use `-Dlogback.configurationFile`

by separately handling immediate one-time cost and cost over time.

i hate myself

fix #635

fix #629

yeah i fucked up that one line of translation oops
also added two lines of translation too