fix has_one => has_many => has_many name generation
Merge pull request #232 from basvanwesting/fix_name_generation

fix "has_one => has_many => has_many" name generation
fix broken link in README.md

'http://help.github.com/send-pull-requests' is not found.
Merge pull request #233 from tricknotes/fix-broken-link

fix broken link in README.md