Updated NuGet.exe to 2.7.3
Added user agent string
Improved usability of BuildImageTag methods
Added ApiBaseAddress setting for testing purposes
Supported signed URI's
Fixed issue 3 (GetSign exception with multithreaded app)
Added overwrite flag for uploading operations
Added UniqueFilename flag for uploading operations
Supported storing "context" (parameter-value pairs) together with resources
Added FaceCoordinates to ImageUploadParams and ExplicitParams
Added AllowedFormats to RawUploadParams
Supported setting sort direction when listing resources
Supported setting face coordinates when uploading or using the explicit method
Supported switching presence of tags and context when retrieving resources
Added possibility to list resources by public identifiers
Merge branch 'master' of https://github.com/cloudinary/CloudinaryDotNet