Update podspec

SwiftArmy.podspec

@@ -1,16 +1,14 @@
 Pod::Spec.new do |s|
   s.name             = "SwiftArmy"
   s.version          = "0.0.1"
-  s.summary          = "Helper written in Swift"
-  s.description      = "Helper written in Swift"
+  s.summary          = "A collection of Swift extensions"
+  s.description      = "A collection of Swift extensions. Helper all written in Swift"
   s.homepage         = "https://github.com/apradanas/swift-army"
   s.license          = 'MIT'
   s.author           = { "apradanas" => "[email protected]" }
   s.source           = { :git => "https://github.com/apradanas/swift-army.git", :tag => s.version.to_s }
   s.social_media_url = 'https://twitter.com/apradanas'
-
-  s.platform     = :ios, '7.0'
-  s.requires_arc = true
-
-  s.source_files = 'swift-army/*.swift'
+  s.platform         = :ios, '8.0'
+  s.requires_arc     = true
+  s.source_files     = 'swift-army/*.swift'
 end