5.3.8
Fixed a bug that prevented the combination problem from working in IE
No more audio playback using Flash.
Fixed CSS that caused lowercase letters to be automatically capitalized
Revised instruction text
5.3.6
Changed the upper limit of the number of pulldowns from 9 to 99
Changed so that pull-down questions and fill-in-the-blank questions will show an error if the number in {} is not a half-width number.
No longer scrolls when dragged on iPhone
5.2.13
Fixed a bug that only the first answer field is set to type=number when the correct answer is a number in multiple answer questions.
No longer scrolls when dragged on iPhone