Changes

Summary

1. Hold strong reference to user from private channel (#1176) (commit: c1e4242) (details)

Commit c1e4242ff02d03e891712ef724dbc822db28aa1e by noreply Hold strong reference to user from private channel (#1176) (commit: c1e4242)
	src/main/java/net/dv8tion/jda/internal/utils/config/sharding/ShardingSessionConfig.java (diff)
	src/main/java/net/dv8tion/jda/internal/JDAImpl.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/EntityBuilder.java (diff)
	src/main/java/net/dv8tion/jda/internal/utils/config/SessionConfig.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/PrivateChannelImpl.java (diff)