* clang-format: Do not use tabs
* Ignore clangd cache and compile_commands
* NSBlockOperation: Fix memory leak
* NSHTTPCookie: Fix expires date parsing
* NSOperation: Remove all objects at end of execution
* Reimplementation of NSURLSession
* Update ChangeLog
Now using the previously unused "in-memory" body data drain if a task has a completion handler, which requires the full body to be passed on completion.
Also consolidated private NSURLSessionTask methods, some of which were previously implemented twice in separate categories with the same name, leading to possible undefined runtime behavior.
