增加swift版本

BFRouter.podspec

@@ -21,7 +21,7 @@ Pod::Spec.new do |s|
 TODO: Add long description of the pod here.
                        DESC
 
-  s.homepage         = 'https://github.com/harry/BFRouter'
+  s.homepage         = 'https://git.yishihui.com/iOS/BFRouter'
   # s.screenshots     = 'www.example.com/screenshots_1', 'www.example.com/screenshots_2'
   s.license          = { :type => 'MIT', :file => 'LICENSE' }
   s.author           = { 'harry' => 'hz_hzq@126.com' }
@@ -29,7 +29,8 @@ TODO: Add long description of the pod here.
   # s.social_media_url = 'https://twitter.com/<TWITTER_USERNAME>'
 
   s.ios.deployment_target = '10.0'
-
+  s.swift_versions = ['5.0']
+  
   s.source_files = 'BFRouter/Classes/**/*'
   
   # s.resource_bundles = {