Gets the option information for one option Resulting dictionary has keys: • name: Name of the option (like 'filetype') • shortname: Shortened name of the option (like 'ft') • type: type of option ("string", "number" or "boolean") • default: The default value for the option • was_set: Whether the option was set. • last_set_sid: Last set script id (if any) • last_set_linenr: line number where option was set • last_set_chan: Channel where option was set (0 for local) • scope: one of "global", "win", or "buf" • global_local: whether win or buf option has a global value • commalist: List of comma separated values • flaglist: List of single char flags Parameters: ~ {name} Option name Return: ~ Option Information