Broad tool fixes, Drawbridge and Igniter
Fix Hammer and Excavator morphing metadata values
Rewrote books to have less hardcoded pages
More meltables and updated books
Moved BookPage to the Library
Unmoved BookPage
Drawbridges and more drawbridges
Optimized image files. Saved 646.31 KB (27.11%)
Merge pull request #38 from ZeroLevels/master

Texture file optimizations.