radar/better_spree_paypal_express — pull request #35 by mutalis (2013-10-10 01:39:49+00:00)
Title: spree_core version fixed in order to make it work with Spree 2.1.0 relea...

What about if I want to use this gem with the Spree 2.0.1 release ?
I had to do this to make it works.