Get rid of class self block for easier readability
Add guard and debugger to development gemset

You can now keep `guard` running, which will rerun spec files
as you change them and will rerun the entire suite if you change
application code.
Add #reset_properties to Node and Relationship

Uses the already implemented reset_properties REST endpoint.
Gitignore .ruby-version and .ruby-gemset
Refactor Node#reset_properties to set_properties

Updates the given key/value pairs and removes those that are nil
Add `reset_properties` method
Changing be_true to be true to see what travis says
Merge pull request #177 from jayniz/features/node-properties

Add Node#set_properties and Relationship#set_properties