I wonder how it worked at all. That explains some weird behavior when it was
ignoring issues recently.

Also enabled limit=1000 in case there's a huge bottleneck.

R=dpranke@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/7016038

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@85516 0039d316-1c4b-4281-b951-d872f2087c98