Developer credits
Git commits in Moodle 2.2.7 by Matt Petro
commit 4befe7f5510448bab3bd572f354b65326c3f3db0 Author: Matt Petro <petro@engr.wisc.edu> Date: Fri, 19 Oct 2012 22:59:42 +0800 Tag: v2.2.7 MDL-36025 qtype calculated: Fix handling of "-0"
commit 4befe7f5510448bab3bd572f354b65326c3f3db0 Author: Matt Petro <petro@engr.wisc.edu> Date: Fri, 19 Oct 2012 22:59:42 +0800 Tag: v2.2.7 MDL-36025 qtype calculated: Fix handling of "-0"