URLUtilities deprecation of calls that take Proxy and added equivalent calls
Refactored UrlUtilities to reuse more of the same code.
Minimized duplicate code
More updated tests
Updated UrlUtilities to use -d for Proxies and updated test coverage for UrlUtilities
Added helpful comment to help people convert to non-proxying call structure
Merge pull request #14 from kpartlow/master

Deprecated Proxy parameter calls and updated test coverage