Added yard to gemspec
Added documention for versiob 0.0.1 code
Add TODO.md file and create .yardopts file
Update documentation to include @api and @example tags
Add documentation coverage checking
Add doc task to Rakefile
Merge 'hotfix-0.0.2' for issue #1 into develop

Conflicts:
	lib/gday/version.rb
Bump to 0.0.3
Release-0.0.3 - added documentation

Generate documentation using yard.
Check documentation coverage using yardstick.
Add documentation tasks to Rakefile.
Include TODO file.