Add build status image to README
Update rbx config for Travis
Rubinius Gemfile fixes
Use XMLQuerier for form matchers, default to Nokogiri if available
Update README
Merge pull request #67 from wvanbergen/better_form_matchers

Use XMLQuerier for form matchers, default to Nokogiri if available
Stop Digest::Digest deprecation warnings
Merge pull request #68 from rbone/master

Stop Digest::Digest deprecation warnings on ruby 2.1.0
Bump version to 1.4.1
[API] Update CA root certificates file.
Changes the XML template and PaymentService client class to support installments data
Type is 'common'
Basic installments support (still only on PaymentService, not accessible through Adyen::API wrapper)
Fixing code style
Fallback not needed
Merge pull request #70 from lucashungaro/feature/support-installments

Support installments
Remove Ruby 1.8 and variants of it from Travis CI config, add Ruby 2.1.1
Handle UTF-8 and whitespace better in XML.
Merge pull request #72 from wvanbergen/drop_ruby_18_support

Drop ruby 18 support, and update dependencies.
Add credentials for function specs.