Get's the display name of the last user to modify the spreadsheet.
Provide a homepage link for rubygems.org now that the gem is public
Merge pull request #1 from grant-olson/homepage_link

Provide a homepage link for rubygems.org now that the gem is public
Made version pre-release so we can install this on our private gem server without conflicting with official release
Better find email address logic
Fix
Merge pull request #2 from pikimal/last_modifying_user_name

Get's the display name of the last user to modify the spreadsheet.
Added CHANGELOG entry for last modifying user method
Added new routes to sinatra web flow example
Refactored RowSelector#get_cells for simplicity
Refactored Worksheet#save! for simplicity
Added scramble route to sinatra example to test worksheet#save!
Merge pull request #4 from jmthrower/documentation

New routes for sinatra example & refactors for simplicty
Added config example for web flow to README
Added ignore rules for .pullreview.yml
Merge branch 'documentation'
Added fix for spreadsheet key parsing when key param is nil
Added Revision class and example route
Added spec for Revision and Spreadsheet#revisions
Added nil check for revision init if author info is missing