Added cURL Options for the PayPal Sandbox SSL 3.0 Vulnerability (POODLE)
default configuration for curl added, if no client is passed
get option deleted on client send
flow change
deleted Sandbox Options. sandbox.paypal.com uses now a valid certificate
[ssl][paypal-ec] fix security hole in ssl protocl for paypal site.
[be2bill] change arguments order in api class, options are first, client the seconda
[paypla-ipn] change arguments order in api class, options are first, the client is second.
[paypal-pro] change arguments order in api class, options first, client the second.
fix consstant CURL_SSLVERSION_TLSv1 does not exists.
fix tests
Merge pull request #237 from formapro-forks/curl-switch-to-tls

Curl switch to tls