Fix support for proxy credentials in proxy URL and fix error when there are more than 10 outstanding requests
Fix support for proxy credentials in proxy URL and fix error when there are more than 10 outstanding requests

ripple/ripple-lib,darkdarkdragon/ripple-lib,ripple/ripple-lib,darkdarkdragon/ripple-lib,ripple/ripple-lib,darkdarkdragon/ripple-lib,wilsonianb/ripple-lib,wilsonianb/ripple-lib,ripple/ripple-lib,wilsonianb/ripple-lib