import Foundation
import DateToolsSwift

extension TimeChunk {
  public static func dateComponents(seconds: Int = 0,
                                  minutes: Int = 0,
                                  hours: Int = 0,
                                  days: Int = 0,
                                  weeks: Int = 0,
                                  months: Int = 0,
                                  years: Int = 0) -> TimeChunk {
    return TimeChunk(seconds: seconds,
                     minutes: minutes,
                     hours: hours,
                     days: days,
                     weeks: weeks,
                     months: months,
                     years: years)
  }
}

Add static function to initialize TimeChunk with non-complete number of DateComponents
Add static function to initialize TimeChunk with non-complete number of DateComponents
