Adds automatic proxy configuration for WinHttp connection. #30
Changes the behavior for the 404 error. All HTTP errors (=>400) are handled equally.
Changes the definition of USE_SUPER_OBJECT directive. It was not possible to use Super Object with Delphi XE (or up) without change the inc file.
Changes the HTTP 404 error handling for HttpConnectionIndy
Remove unnecessary uses
Merge branch 'master' of https://github.com/RobertoSchneiders/delphi-rest-client-api

Conflicts:
	src/DelphiRest.inc
	src/ProxyUtils.pas