Require yaml just in case

lib/squib/conf.rb

@@ -1,6 +1,7 @@
-require 'squib'
 require 'forwardable'
+require 'squib'
 require 'squib/args/typographer'
+require 'yaml'
 
 module Squib
   # @api private

lib/squib/layout_parser.rb

@@ -1,3 +1,5 @@
+require 'yaml'
+
 module Squib
   # Internal class for handling layouts
   #@api private