add simple globbing when Glob library isn't present.
add simple globbing when Glob library isn't present.

Ignore-this: 47f434dcd76727c627b1040613a7aa693e89233b
This is missing ranges such as [a-z] and also character classes like
[[:alnum:]].  Other than that, it looks pretty complete.  And the code
is about as complex as the code that uses the Glob library!

darcs-hash:20090215161251-72aca-6c95c94897e0ca2c90091972635e0b297d40010e

shicks/shsh,shicks/shsh