project.clj: Fix description, URL, and license

Signed-off-by: Pekka Enberg <penberg@iki.fi>
Misspelled word
System adapted to execute any number of functions upon order partial
fulfilling.
update test to match latest version of the program
Merge pull request #1 from penberg/fix-project-clj

project.clj: Fix description, URL, and license