Update depdendencies

Author: onmyway133

Cartfile

@@ -1,2 +1,2 @@
-github "hyperoslo/Keychains" "1.0.0"
-github "auth0/JWTDecode.swift" "2.0.0"
+github "hyperoslo/Keychains" ~> 2.0
+github "auth0/JWTDecode.swift" ~> 2.0 

Cartfile.resolved

@@ -1,2 +1,2 @@
-github "auth0/JWTDecode.swift" "2.0.0"
-github "hyperoslo/Keychain" "1.0.0"
+github "auth0/JWTDecode.swift" "2.1.1"
+github "hyperoslo/Keychains" "2.0.0"

OhMyAuth.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
   s.name             = "OhMyAuth"
   s.summary          = "Simple OAuth2 library with a support of multiple services."
-  s.version          = "1.2.0"
+  s.version          = "2.0.0"
   s.homepage         = "https://github.com/hyperoslo/OhMyAuth"
   s.license          = 'MIT'
   s.author           = { "Hyper Interaktiv AS" => "[email protected]" }
@@ -11,7 +11,7 @@ Pod::Spec.new do |s|
   }
   s.social_media_url = 'https://twitter.com/hyperoslo'
 
-  s.ios.deployment_target = '8.0'
+  s.ios.deployment_target = '9.0'
   s.osx.deployment_target = '10.11'
 
   s.requires_arc = true
@@ -21,8 +21,8 @@ Pod::Spec.new do |s|
   s.ios.frameworks = 'UIKit', 'Foundation'
   s.osx.frameworks = 'Cocoa', 'Foundation'
 
-  s.dependency 'Keychains', '~> 1.0.0'
-  s.dependency 'JWTDecode', '~> 2.0.0'
+  s.dependency 'Keychains', '~> 2.0'
+  s.dependency 'JWTDecode', '~> 2.0'
 
-  s.pod_target_xcconfig = { 'SWIFT_VERSION' => '3.0' }
+  s.pod_target_xcconfig = { 'SWIFT_VERSION' => '4.0' }
 end