'Get a single bootloader entry information.
NOTE: if entry is "fallback" and bootloader is grub
use index instead of kernel title ("fallback") as fallback is
a special option in grub
:param search_info: can be \'default\', position number or title
:return: a dictionary of key->value where key is the type of entry
information (ex. \'title\', \'args\', \'kernel\', etc) and value
is the value for that piece of information.'

def get_entry(self, search_info):

    info = self.get_info(search_info)
    return parse_entry(info)
