Merge pull request #11 from cbyn/alex

add file writer test assertions
fixed dependencies when running tests outside of rake
Merge pull request #13 from cbyn/alex

Alex
Merge pull request #12 from cbyn/chris

fixed dependencies when running tests outside of rake
first working implementaion, some cli fixes still needed
Merge pull request #14 from cbyn/chris

first working implementaion, some cli fixes still needed
add print loop