Add minitest
Add xp.rb with new API
Refactor interface
Add idea that helped shape the gem UI
Add user agents in separate file
Update UI with the tests
Update UI to abstract source extraction
Update gemspec & bin files
Update gem version
Update gemspec with files attribute
Add partial changes to Readme
Update css and xpath methods to return html

Instead of returning Nokogiri Nodeset Objects, xpath and css methods
now return html strings to make the interface as easy as possible to
chain selectors.
Update xpath & css return Nokogiri document
Update some methods as private
Update README documenting the new API
Add gem build v2.0.0
Merge branch 'feature-building_better_api'