I took the feedback from the previous pull request and modified the Gemfile:
Thanks for the patience, sorry I managed to hose the autogenerated config with my addition of the Gemfile.
Hopefully this sets it right.
Fix Ruby 1.8 compat in Gemfile w/ development group.
Fix issues with correct ruby-debug include for 1.8 vs. 1.9 compatibility.
Also, group all development gems into a development group so jeweler will auto-generate the gemspec correctly.
Fix rspec/rcov rake tasks.
Adds rcov support back in, fix rake tasks for rspec and rcov.
Adds rcov to gemfile.