Removing the .idea directory so that IDE files are not included.
With commander -V is the command for versions not -v. Also refactored to reduce duplication of version numbers.
Added the testing functionality to npm and simplified the Travis build file.

I also added .7 node testing since your modules expects .7 and up not
just .8
Merge pull request #19 from ferentchak/master

Made some suggestions.
ralio sprint -t now returns related story's defects too.