money dependency ~>6.13

The previous dependency definition was not accepting 6.14.0

Resolves #628

Author: iGEL

money-rails.gemspec

@@ -26,7 +26,7 @@ Gem::Specification.new do |s|
 
   s.require_path = "lib"
 
-  s.add_dependency "money",         "~> 6.13.2"
+  s.add_dependency "money",         "~> 6.13"
   s.add_dependency "monetize",      "~> 1.9.0"
   s.add_dependency "activesupport", ">= 3.0"
   s.add_dependency "railties",      ">= 3.0"