format, where `.N' goes `.2', `.3', etc. if there are multiple versions on the
same day. The topmost version listed is the one you have.
+Unreleased
+----------
+- Strengthen the advice about build/IDE configuration in the README.
+
2009.05.03
----------
- BigUnsigned::{get,set}Bit: Change two remaining `1 <<' to `Blk(1) <<' to work