Merge pull request #190 from jonmarkprice/master

Merge pull request #195 from Chipcius/fixing_zip_behaviour

Merge pull request #188 from pickhardt/dev

Merge pull request #193 from escallic/patch-1

Removed extra space that got added by accident

Fixed compress and uncompress to work better with bzip2 and zip files

calculate n choose k

Make directory to copy files from be relative to install.rb rather than the working directory.

Removed non-functioning "go home" command.

Merge pull request #176 from fuzzygroup/master

Test coverage albeit minimal on git

Happy dance - first module written for betty

Make changes to template structure where I didn't understand it well

Add some simple fun routines to get used to working on Betty

Fix class name to eliminate illegal characters