Update A Snippet

Used to update a snippet. Use this to add and delete files and tochange a snippet's title.To update a snippet, one can either PUT a full snapshot, or only theparts that need to be changed.The contract for PUT on this API is that properties missing from therequest remain untouched so that snippets can be efficientlymanipulated with differential payloads.To delete a property (e.g. the title, or a file), include its name inthe request, but omit its val...