Add scheme to authenticate using omniauth ver 1.
Tweak gemspec.
Revert gemspec.
Slight refactoring.
Slight change with how to decide which auth scheme to use.
Recursively walk xml node to build a nested hash
for a field of type Object.
More tweaks to header so that it works with omniauth ver 1.
Fix tests and some cleanup.
Slight cleanup with headers.
Should be able to accept extra_http_headers as string
as well as a hash.
Convert hash keys to symbol.

* maybe should use the active_support gem?
Add scheme to add a query param wrapper.
Small refactoring.
RestClient will not take a parameter without a key.

* defaulting to 'query'
Cleanup private key.
Correct typo.
Tweaks to xml selector.
Another small tweak to not break
things that this worked for before.

* A revamp will follow.
Add scheme to override default collection and record selector
for xml.
Add test for collection selector.