Skip "user@" when finding hostname in url
Stash username from url (but don't use it yet)
Add user-from-url param to auth callback
Enhance url parsing to include passwords
Plug test leaks
HTTP: use creds in url if available
WinHttp: use cred in url if provided
Remove double-free segfaults
Introduce git__substrdup
Use malloc rather than calloc
Address feedback
Merge pull request #1298 from ben/user-at

Handle "user@" prefix for credentials partially included in URLs