- changed variable name $url to $path in custom_api_request() for consistency and clarity
- rearranged layout of Client.php
- added check to verify whether $ch is a resource
- renamed get_curl_obj() to get_curl_resource() to reflect the variable type it returns
Added the new functions/methods:
- set_super_mgmt_settings_base()
- set_super_smtp_settings_base()
- set_super_identity_settings_base()