adds arrays to vool

also symbols and some cleanup

lib/vool/basic_values.rb

@@ -23,11 +23,6 @@ module Vool
       @value = value
     end
   end
-  class NameStatement < Statement
-    attr_accessor :value
-    alias :name :value
-    def initialize(value)
-      @value = value
-    end
+  class SymbolStatement < StringStatement
   end
 end