Merge pull request #2 from khipkin/master

made some changes/improvements
Merge pull request #3 from khipkin/master

significant refactoring
Merge pull request #4 from khipkin/master

improved processing of feedback files; updated README
Merge pull request #7 from khipkin/master

now handles submissions consisting of single src files (not zips)
Merge pull request #8 from khipkin/master

more versatility re: test programs
Merge pull request #9 from khipkin/master

bug fixes
rename.sh now also parses out any variation of "CS" included in submission names
Merge branch 'master' of git://github.com/EricFalkenberg/graderTools