You can now customize the messages displayed in chat when enabling/disabling the speed boost. Thanks to @Elijah for suggesting this.
You can now specify in the config what items to use for the enable/disable items.
You can now specify what sounds play when enabling/disabling the speed boost.
The plugin now completely blocks Moving inventory items and dropping items if they're in survival or adventure mode. This allows players in creative to bypass the events being cancelled. (Another good hub feature) Thanks to @Elijah for suggesting this.