Merge pull request #78 from MappedIn/5.8.0

update podfile to 5.8.0

Author: chrism000

SDK v5 Examples/PlaygroundSamples/Podfile

@@ -1,5 +1,5 @@
 platform :ios, '11.0'
 
 target 'PlaygroundSamples' do
-  pod 'MappedIn', '5.7.0'
+  pod 'MappedIn', '5.8.0'
 end

SDK v5 Examples/ios-sdk-app/Podfile

@@ -4,5 +4,5 @@ use_frameworks!
 target 'ios-sdk-app' do
     project "ios-sdk-app"
     workspace 'ios-sdk-app'
-        pod 'MappedIn', '5.7.0'
+        pod 'MappedIn', '5.8.0'
 end