Comment 2 for bug 1394732

Reviewed: https://reviews.mahara.org/4009
Committed: http://gitorious.org/mahara/mahara/commit/c906c1e7adceae55f8d6639c7adc6f2e41ba11eb
Submitter: Son Nguyen (<email address hidden>)
Branch: master

commit c906c1e7adceae55f8d6639c7adc6f2e41ba11eb
Author: Robert Lyon <email address hidden>
Date: Fri Nov 21 09:13:47 2014 +1300

Fixing type checking on min/max values (Bug #1394732)

Change-Id: I042c1127f7601483e8723b2e31bf07683accf2c0
Signed-off-by: Robert Lyon <email address hidden>