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This fix is more efficient

1. HashMap non-thread-safe issus
2. Fix the same problem in pr621, but use a better implementation

Add the following functions:
1. There is now a language cache inside getLanguage to prepare for different languages corresponding to different time zones where the accounts in the server are located

* Fix the Chinese messy code problem.

* Fix the decision statement of adding map marker.

Format string is `"given_level": "Given %s with level %s %s times to %s"`

fix issues 648 677

fix issue 648 677

Change target perm from target.perm to x.perm.others

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.