dimagi/dimagi-utils — pull request #124 by czue (2013-07-12 22:15:09+00:00)
Title: add "1" and "0" to true/false strings (Case:66266)

i never totally tracked down how these are getting called with a "1" and "0" (suspect some strange True->1 conversion jython edge case?) but this seems like a reasonable workaround