Document conf overhaul

CHANGELOG.md

@@ -4,7 +4,7 @@ Squib follows [semantic versioning](http://semver.org).
 ## v0.6.0 / Unreleased
 
 Features:
-* Upgraded roo (Excel parsing) to 2.0.0. Nothing major for Squib users, just keeping up with the times. ()
+* Upgraded roo (Excel parsing) to 2.0.0. Nothing major for Squib users, just keeping up with the times.
 
 Bugs:
 * Fixed global text hinting (#63)
@@ -14,6 +14,7 @@ Compatbility:
 * dpi is currently removed from `config.yml` and is ONLY available in `Squib::Deck.new`. This may change in the future, however.
 
 Chores:
+* Massive internal redesigning of the way configuration options are parsed, stored, handled. No real changes are visible to the user, but this code will be more maintainable and open up the door for more flexible configuration options in the future.
 * Added `rake sanity` as a visual regression test to ensure the samples don't break
 * Lots of automated test refactoring