Fix status code loading in 1.8.7 by using FasterCSV.

The CSV implementation in 1.9 is actually derived from FasterCSV so this is
probably the best way to implement backwards compatibility.

buckaroo-ideal.gemspec

@@ -17,4 +17,8 @@ Gem::Specification.new do |gem|
 
   gem.add_dependency 'activesupport'
   gem.add_dependency 'transliterator'
+
+  if RUBY_VERSION < "1.9"
+    gem.add_dependency 'fastercsv'
+  end
 end

lib/buckaroo-ideal/status.rb

@@ -1,5 +1,3 @@
-require 'csv'
-
 module Buckaroo
   module Ideal
     class Status
@@ -27,6 +25,14 @@ class UnknownStatusCode < StandardError; end
 
       CSV_FILE = File.expand_path('../../../files/statuscodes.csv', __FILE__)
 
+      if RUBY_VERSION < "1.9"
+        require 'fastercsv'
+        CSV = ::FasterCSV
+      else
+        require 'csv'
+        CSV = ::CSV
+      end
+
       attr_reader :code, :message
 
       def self.status_codes(csv_file = CSV_FILE)