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