Rename Rule to RuleSet

lib/propane/rule.rb

@@ -1,39 +0,0 @@
-class Propane
-
-  class Rule
-
-    class Pattern
-
-      attr_reader :rule
-
-      attr_reader :components
-
-      attr_reader :code
-
-      def initialize(rule, components, code)
-        @rule = rule
-        @components = components
-        @code = code
-      end
-
-    end
-
-    attr_reader :id
-
-    attr_reader :name
-
-    attr_reader :patterns
-
-    def initialize(name, id)
-      @name = name
-      @id = id
-      @patterns = []
-    end
-
-    def add_pattern(components, code)
-      @patterns << Pattern.new(self, components, code)
-    end
-
-  end
-
-end