Update LICENSE
Create NewUpdateDialog.cs
Create NoUpdateFoundDialog.cs
Create UpdateDownloadDialog.cs
Create UpdateErrorDialog.cs
Create SignatureManager.cs
Added argumentvalidation; more IntelliSense

Parametervalidation zum Konstruktor hinzugefügt; mehr IntelliSense
Critical security upgrade
Merge pull request #1 from timmi31061/master

Added argumentvalidation; more IntelliSense
Security Update
Create UpdateInfo.cs
Update UpdateInfo.cs
Create UriConnecter.cs
Update UpdateInfo.cs
Update UpdateInfo.cs
Removed mistakes
Edited UpdateInfo
Create StatusCodeManager.cs
Create ConnectionChecker.cs
Delete StatusCodeManager.cs