update .gitignore to ignore .ruby-version && .ruby-gemset
make sure we require from the root path when running rake takss
add a version file and drop dependency on jeweler to convert over to bundler basis of rolling the gem
move out jeweler and manual tasks and import bundler gem_tasks
move to using gemspec for dev dependencies
use bundler format for gemspec and use VERSION constant for version instead of hard code
remove hard require
require manually vs using the bundle to handle all requires in dev
remove fragmented requires for nokogiri
use OLAP namespace for version