Merge pull request #9 from suranyami/master

fixed to work with RSpec > 2.7, and many small improvements
Remove testing libraries from runtime dependencies

Users will only want one of these. Ideally rubygems would support optional dependencies, but it doesn't (https://github.com/rubygems/rubygems/issues/346)
Corrected homepage in gemspec
Merge pull request #10 from mloughran/friendlier_gemspec

Friendlier gemspec