Changes

Summary

1. Implement TextChannel#follow and add source references (#1418) (commit: 0fee1dd) (details)

Commit 0fee1dd58b63b0d5c70e6ab3a7b3a64e9d6ec6b1 by noreply Implement TextChannel#follow and add source references (#1418) (commit: 0fee1dd)
	src/main/java/net/dv8tion/jda/internal/entities/TextChannelImpl.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/WebhookImpl.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/EntityBuilder.java (diff)
	src/main/java/net/dv8tion/jda/api/requests/ErrorResponse.java (diff)
	src/main/java/net/dv8tion/jda/internal/requests/Route.java (diff)
	src/main/java/net/dv8tion/jda/api/entities/TextChannel.java (diff)
	src/main/java/net/dv8tion/jda/api/entities/Webhook.java (diff)