a9a55a058cFixed munge subtract expression and added test cases. fixes #976
%!s(int64=12) %!d(string=hai) anos
Kyle Davis
33a99df088Fixes #1612, #963: Renamed `alter` to `munge`. Removed unused `microdb`. Added test for `ExpressionDayOfMonth`. Fixed bug calling base `DayOfMonthExpression#addOperand()`. Fixed off-by-one bug in `DayOfMonthExpression#evaluate()`.