Update podspec, resolves #20.

Author: inamiy

SwiftTask.podspec

@@ -1,12 +1,13 @@
 Pod::Spec.new do |s|
   s.name     = 'SwiftTask'
-  s.version  = '0.0.1'
+  s.version  = '2.4.0'
   s.license  = { :type => 'MIT' }
-  s.homepage = 'https://github.com/inamiy/SwiftTask'
+  s.homepage = 'https://github.com/ReactKit/SwiftTask'
   s.authors  = { 'Yasuhiro Inami' => '[email protected]' }
-  s.summary  = 'Promise + progress + pause + cancel, using SwiftState (state machine).'
+  s.summary  = 'Promise + progress + pause + cancel + retry, using SwiftState (state machine).'
   s.source   = { :git => 'https://github.com/inamiy/SwiftTask.git', :tag => "#{s.version}" }
-  s.source_files = 'SwiftTask/*.{h,swift}'
-  s.frameworks = 'Swift'
+  s.source_files = 'SwiftTask/**/*.{h,swift}'
   s.requires_arc = true
+  
+  s.dependency 'SwiftState', '~> 1.1.1'
 end