Format/typo fix README.md.
The entry now uses fgets(3); the alt code that the author included does
not (yet?).
Added entry to bugs.md for the fgets(3) for the alt code and a bug that
is noted by the judges, asking if [you] can fix it.
We we move 1988-2004 entries from all of a year's winning entries
in a single directory to each winner being in their own sub-directory
under the given year directory.