Refactoring code for next_requirement in details.
Refactoring code for next_requirement in details.

derDaywalker/dmptool,derDaywalker/dmptool,2015SebINF1340/dmptool,derDaywalker/dmptool,2015SebINF1340/dmptool,derDaywalker/dmptool,2015SebINF1340/dmptool