Many bug fixes since last version posted here. Beta 4 adds feature that prevents placing a chest adjacent to an existing DeathChest, thereby circumventing looting protection.
See dev.bukkit.org page for complete details/changelog.
https://dev.bukkit.org/projects/savagedeathchest
If upgrading, remember to backup/remove config.yml and messages.yml files to allow plugin to install new versions, then reapply changes.