lib/has_price.rb in has_price-1.1.0 vs lib/has_price.rb in has_price-1.1.1

@@ -1,12 +1,12 @@
 require File.dirname(__FILE__) + "/has_price/core_extensions/array.rb"
 require File.dirname(__FILE__) + "/has_price/core_extensions/string.rb"
 
-unless Array.instance_methods.include? "extract_options!"
+unless ["extract_options!", :extract_options!].any?{|meth| Array.instance_methods.include?(meth)}
   Array.send :include, HasPrice::CoreExtensions::Array
 end
 
-unless String.instance_methods.include? "underscore"
+unless ["underscore", :underscore].any?{|meth| String.instance_methods.include?(meth)}
   String.send :include, HasPrice::CoreExtensions::String
 end
 
 require File.dirname(__FILE__) + "/has_price/price.rb"
 require File.dirname(__FILE__) + "/has_price/price_builder.rb"
\ No newline at end of file