* The game hangs when the exception occurred before `ml_ready()`
**Changed**
* Some code refactoring and optimization
2019.04.01
**Added**
* `-i` and `--input-script` for specifying the custom ml script
2019.03.21
**Added**
* Print the whole call stack when the exception occurred
2019.03.18
**Fixed**
* Quit the game automatically when an exception occurred
**Added**
* `-1` and `--one-shot` for the one shot mode in ml mode * Version message
2019.02.27
**Changed**
* Use function call instead of class instance to invoke use code * Optimize the collision detection algorithm * Increase the difficulty of the game "arkanoid"