Update to v1.9.7

Author: gnongsie

authorizenet.gemspec

@@ -1,8 +1,8 @@
 Gem::Specification.new do |s|
   s.name = "authorizenet"
-  s.version = "1.9.6"
+  s.version = "1.9.7"
   s.platform = Gem::Platform::RUBY
-  s.date = "2018-10-16"
+  s.date = "2018-12-05"
   s.summary = "Authorize.Net Payments SDK"
   s.description = "Authorize.Net SDK includes standard payments, recurring billing, and customer profiles"
   s.authors = ["Authorize.Net"]