* [All] Updated to Forge 2199.
* [Lib] Cleaned up notification system a bit.
* [Lib] Fixed /mutter not applying notice styles.
* [Pipes] Added Observer support.
* [Pipes] Disabled most fluid routing logic - needs a rewrite!
* [Pipes] Fixed light rendering glitches for traveling items.
* [Pipes] Fixed pipes not syncing in 0.4.0-pre1.
* [Pipes] Optimizations to pipe code, especially rendering.
* [Storage] Fixed rendering glitches for barrel information popups.
* [Storage] Fixed rotated barrels not updating neighbors.
* [Tweaks] Added a "mob equalizer" tweak, letting mobs very rarely spawn with some of your armor and weapons!