Fixed trailing zero suppression issue where a trailing zero was printed
if it was the sole trailing zero and was the 5th digit to the right
of the decimal point.  With this fix, the challenge is now
solved completely!
Initial commit.  Passes with base score of 96.
Initial version.  It passes CodeEval testing, but
the score is dragged down by Ruby's big memory footprint.
Initial checkin after passing tests
added or updated some .gitignore files
Yet another .gitignore