func (t *Table) getHead() string {
	s := "|"
	for _, name := range t.Fields {
		s += t.fieldString(name, strings.Title(name)) + "|"
	}
	return s
}
func (t *Table) getHead() string {
	s := "|"
	for _, name := range t.Fields {
		s += t.fieldString(name, strings.Title(name)) + "|"
	}
	return s
}
// getHead - Returns table header containing fields names.