patch for copious version

oa-oauth/oa-oauth.gemspec

@@ -5,7 +5,7 @@ Gem::Specification.new do |gem|
   gem.add_dependency 'faraday', '~> 0.7.3'
   gem.add_dependency 'multi_json', '~> 1.0.0'
   gem.add_dependency 'multi_xml', '~> 0.4.0'
-  gem.add_dependency 'oa-core', OmniAuth::Version::STRING
+  gem.add_dependency 'oa-core', ">= #{OmniAuth::Version::STRING}"
   gem.add_dependency 'oauth', '~> 0.4.0'
   gem.add_dependency 'oauth2', '~> 0.5.0'
   gem.add_development_dependency 'evernote', '~> 1.0'