Ensure NotificationReceived is internal.
Merge pull request #55 from BuddyPlatform/develop

Merge develop into master
Merge branch 'master' of https://github.com/BuddyPlatform/Buddy-DotNET-SDK
Merge pull request #57 from BuddyPlatform/develop

Merge develop into master
Merge pull request #62 from BuddyPlatform/develop

Merge develop into master
Merge branch 'master' of https://github.com/BuddyPlatform/Buddy-DotNET-SDK
Merge pull request #64 from BuddyPlatform/master

master into develop