test escaping url

For illust

slack-pixiv.rb

@@ -2,6 +2,7 @@ require 'slack-ruby-bot'
 require 'wolfram'
 require 'mechanize'
 require 'nokogiri'
+require 'uri'
 require 'slack-pixiv/commands/illust'
 require 'slack-pixiv/commands/member'
 require 'slack-pixiv/app'

slack-pixiv/commands/illust.rb

@@ -15,6 +15,7 @@ module SlackMathbot
         else
           pixiv_url = "http://www.pixiv.net/member_illust.php" + _match[:url][0..-1]
         end
+        pixiv_url = URI.unescape(pixiv_url)
         puts pixiv_url
 
         # Create iOS Illustration URL, regex pixiv_url to