diff --git a/lib/stack_overflow.rb b/lib/stack_overflow.rb
index 5a9d6d7..baf230e 100644
--- a/lib/stack_overflow.rb
+++ b/lib/stack_overflow.rb
@@ -17,49 +17,49 @@ def self.get_all_users(options={})
       key = @@API_KEY
       page = options[:page] || 1
       pagesize = options[:pagesize] || 30
-      url = URI.parse(@@URL + "users?key=#{key}&page=#{page}&pagesize=#{pagesize}")
+      url = URI.parse(@@URL + "users?%20key=#{key}&page=#{page}&pagesize=#{pagesize}")
       response = Net::HTTP.get_response url
-      gz = Zlib::GzipReader.new(StringIO.new(response.body))
-      JSON.parse(gz.read)
+      #gz = Zlib::GzipReader.new(StringIO.new(response.body))
+      JSON.parse(response.body)
     end
 
     def self.search_user(user_name)
-      result = get(@@URL + "users?key=#{@@API_KEY}&filter=#{user_name}")
+      result = get(@@URL + "users?%20key=#{@@API_KEY}&filter=#{user_name}")
       result["users"]
     end
 
     def self.get_user(user_id)
-      result = get(@@URL + "users/#{user_id}?key=#{@@API_KEY}")
+      result = get(@@URL + "users/#{user_id}?%20key=#{@@API_KEY}")
       return nil if result["users"].nil?
       result["users"].first
     end
 
     def self.get_users(user_ids)
       user_id = user_ids.join(";").to_s
-      result = get(@@URL + "users/#{user_id}?key=#{@@API_KEY}")
+      result = get(@@URL + "users/#{user_id}?%20key=#{@@API_KEY}")
       result["users"]
     end
 
     def self.get_user_questions(user_id)
-      result = get(@@URL + "users/#{user_id}/questions?key=#{@@API_KEY}")
+      result = get(@@URL + "users/#{user_id}/questions?%20key=#{@@API_KEY}")
       result["questions"].map{|q| Question.new(q) }
     end
 
     def self.get_user_answers(user_id)
-      result = get(@@URL + "users/#{user_id}/answers?key=#{@@API_KEY}")
+      result = get(@@URL + "users/#{user_id}/answers?%20key=#{@@API_KEY}")
       result["answers"].map{|a| Answer.new(a) }
     end
 
     def self.get_user_tags(user_id)
-      get(@@URL + "users/#{user_id}/tags?key=#{@@API_KEY}")
+      get(@@URL + "users/#{user_id}/tags?%20key=#{@@API_KEY}")
     end
 
     def self.get_tags
-      get(@@URL + "tags?key=#{@@API_KEY}")
+      get(@@URL + "tags?%20key=#{@@API_KEY}")
     end
 
     def self.get_tags_synonyms
-      get(@@URL + "tags/synonyms?key=#{@@API_KEY}")
+      get(@@URL + "tags/synonyms?%20key=#{@@API_KEY}")
     end
 
   end