code: func (config *Config) IntegersFromSection(sectionName string, key string) []int64 {
  	section := config.sectionForName(sectionName)
  
  	if section != nil {
  		return getIntegers(section.values, key)
  	}
  
  	return nil
  }
docs: /*
  IntegersFromSection looks for an array of integers in the provided section and under the provided key.
  If no matches are found nil is returned.
  */