v1.3.1

Changelog

• Update davClassLibrary/DataAccess/ApiManager.cs
  • Add DownloadPublicFile to download public files without an authorization header
  • Keep authenticated downloads separate from public downloads
• Update davClassLibrary/DataAccess/SyncManager.cs
  • Fix profile image downloads by using DownloadPublicFile for public image URLs
• Add davClassLibrary.Tests/DataAccess/ApiManager.spec.cs
  • Verify that public downloads omit the access token and authenticated downloads use the current token
• Update davClassLibrary/davClassLibrary.csproj
  • Update System.Text.Encoding.CodePages from 10.0.10 to 10.0.12