Fixed PHP-922: Read timed out after reading 0 bytes, waited for 0.000000 seconds

Initialize all mongo_server_options values correctly when copying server info
Merge pull request #688 from bjori/PHP-922-timeout-after-switchdb

Fixed PHP-922: Read timed out after reading 0 bytes, waited for 0.000000seconds

* bjori/PHP-922-timeout-after-switchdb:
  Fixed PHP-922: Read timed out after reading 0 bytes, waited for 0.000000 seconds