Map NEXTBILLINGDATE to next_payment_date method from devton.
Change :rubygems to 'https://rubygems.org' by paulociecomp.
More IPN notifications by dsaenztagarro.
Remove duplicate entry by marciotoze.
Readme fixes.
Add travis config file.
Remove docs.
Add transaction details from mdsell.
Add transaction search from mdsell.
Added billing cycles from nehagjain15.