Allow WordPressShared to be updated easily

Author: nheagy

Podfile

@@ -18,6 +18,6 @@ target 'WordPressKit' do
     pod 'OHHTTPStubs', '6.1.0'
     pod 'OHHTTPStubs/Swift', '6.1.0'
     pod 'OCMock', '~> 3.4.2'
-    pod 'WordPressShared', '1.2.0-beta.1'
+    pod 'WordPressShared', '~> 1.2.0-beta.1'
   end
 end

WordPressKit.podspec

@@ -22,7 +22,7 @@ Pod::Spec.new do |s|
 
   s.dependency 'Alamofire', '~> 4.7.3'
   s.dependency 'CocoaLumberjack', '3.4.2'
-  s.dependency 'WordPressShared', '1.2.0-beta.1'
+  s.dependency 'WordPressShared', '~> 1.2.0-beta.1'
   s.dependency 'NSObject-SafeExpectations', '0.0.3'
   s.dependency 'wpxmlrpc', '0.8.3'
   s.dependency 'UIDeviceIdentifier', '~> 0.4'