Merge pull request #46 from vinted/fix_puts_ignoring_logging

Fix: one of the `puts` was ignoring @@logging flag

lib/mini_fb.rb

@@ -694,7 +694,7 @@ def self.fetch(url, options={})
 
             return res_hash
         rescue RestClient::Exception => ex
-            puts "ex.http_code=" + ex.http_code.to_s
+            puts "ex.http_code=" + ex.http_code.to_s if @@logging
             puts 'ex.http_body=' + ex.http_body if @@logging
             res_hash = JSON.parse(ex.http_body) # probably should ensure it has a good response
             raise MiniFB::FaceBookError.new(ex.http_code, "#{res_hash["error"]["type"]}: #{res_hash["error"]["message"]}")