Add circular-while*
circular-tests, typos
circular-while*, add corner case test
circular-while, fix of by 1 error; add tests
circular: rename circular-while* to circular-loop, add some docs.
rosetta-code.metronome: adding metronome solution.
generic.math: eliminate a redundant fixnum check, separate out the fixnum dispatch hack.
generic.math: rename and add comment.