Changes

Summary

1. Renamed DataUtil -> IOUtil because.... logic. (commit: 2e4cb89) (details)

Commit 2e4cb896bb27c7e9961890c1067577690c4c5ea4 by Austin Keener Renamed DataUtil -> IOUtil because.... logic. (commit: 2e4cb89)
	src/main/java/net/dv8tion/jda/client/entities/impl/GroupImpl.java (diff)
	src/main/java/net/dv8tion/jda/core/entities/Icon.java (diff)
	src/main/java/net/dv8tion/jda/core/entities/impl/TextChannelImpl.java (diff)
	src/main/java/net/dv8tion/jda/core/utils/DataUtil.java
	src/main/java/net/dv8tion/jda/core/utils/IOUtil.java
	src/main/java/net/dv8tion/jda/core/entities/impl/PrivateChannelImpl.java (diff)