Issue #2450725 by pbuyle: drupal_http_request() error in status report when using Memcache Integration's lock

Issue #2337071 by mikeytown2: Target the openssl versions that SNI are broken; use SNI if the openssl version is up to date.

Issue #2562143 by mikeytown2: Add in the ability to cache function calls and regenerate cache in the background.

Issue #2562143 by mikeytown2: Add in the ability to cache function calls and regenerate cache in the background.

Issue #2548999 by mikeytown2: create httprl_call_user_func_array_async(); simple wrapper for background function calls.

Issue #2281875 by mikeytown2: Prevent a session from starting unless the session cookie was passed in.

Issue #2222555 by mikeytown2: Show the delay in the admin screen; add description for http vs https.