Merge branch 'master' of https://github.com/codefellows/sea-f2-python-sept14
Merge branch 'master' of https://github.com/codefellows/sea-f2-python-sept14
Merge branch 'master' of https://github.com/codefellows/sea-f2-python-sept14
Merge branch 'master' of https://github.com/codefellows/sea-f2-python-sept14
Merge branch 'master' of https://github.com/codefellows/sea-f2-python-sept14
Adds clean_file() without list comprehension
Adds a version with a comprehension
Changes approach to handling single argument, adds warning
Merge pull request #52 from jbbrokaw/functional-files

Functional files