query.go
func NewQuery(table string) *Query {
	return &Query{
		table:   table,
		headers: []string{},
		columns: []string{},
	}
}
func NewQuery(table string) *Query {
	return &Query{
		table:   table,
		headers: []string{},
		columns: []string{},
	}
}
// NewQuery creates a new Livestatus query instance.