sjjaffe/cpp-dice-roller

Sam Jaffe fcf1a1d230 Add support for keep highest/keep lowest		2 lat temu
..
die_test.cxx	08cfc2ff34 Fix naming.	4 lat temu
exception_test.cxx	8b1b748212 Make test failures report properly in XCode.	4 lat temu
io_test.cxx	01c1aaf303 Re-apply clang-format.	4 lat temu
parser_test.cxx	01c1aaf303 Re-apply clang-format.	4 lat temu
roll_test.cxx	01c1aaf303 Re-apply clang-format.	4 lat temu
xcode_gtest_helper.h	fcf1a1d230 Add support for keep highest/keep lowest	2 lat temu