Changes

Summary

1. improve tab completion performance (commit: b052b2e) (details)

Commit b052b2e99fc6839964d646444e7a0c244612ad5d by Flo.e3 improve tab completion performance (commit: b052b2e)
	src/main/java/codecrafter47/bungeemail/BungeeMail.java (diff)
	src/main/java/codecrafter47/bungeemail/PlayerListener.java (diff)
	src/main/java/codecrafter47/bungeemail/CaseInsensitiveComparator.java
	src/main/java/codecrafter47/bungeemail/TabCompleteCache.java