Bug Fix: Resolved issues with Dropbox sends where later versions of cURL being used.
Bug Fix: Resolved .dat file sends for multipart transfers.
Bug Fix: Resolved error when incorrect offset is returned by Dropbox.
Bug Fix: Better handling of getMetadata in Dropbox SDK for file_exists checks.
Enhancement: Display cURL version information in Diagnostics > Server.
Enhancement: Adjusted "Deleted X file(s)" text to be easier to read.
