goolx:FaultResult,SteppedEventResult

[readpe]

Create data structures to hold fault simulation results

Maybe:

type FaultResult struct {
    Description string
    Config FaultConfig
    Va, Vb, Vc Phasor
    Ia, Ib, Ic Phasor
}

[readpe]

Implemented SteppedEvent data.

// SteppedEvent represents the stepped event result data returned by GetSteppedEvent function.
type SteppedEvent struct {
	Step             int
	UserEvent        bool
	Time             float64
	Current          float64
	EventDescription string
	FaultDescription string
}