Changes

Summary

1. Fix saving configs which are only a header (details)

Commit 3dbfebefdaf08af95f71c657145194cd1fea9000 by md_5 (md_5) Fix saving configs which are only a header
	src/test/java/org/bukkit/configuration/file/YamlConfigurationTest.java
	src/main/java/org/bukkit/configuration/file/YamlConfiguration.java