Adding many more command line options when running NML2ChannelAnalyse.py

usage: NML2ChannelAnalyse.py [-h] [-v] [-minV <min v>] [-maxV <max v>]
                             [-temperature <temperature>]
                             [-duration <duration>]
                             [-clampDelay <clamp delay>]
                             [-clampDuration <clamp duration>]
                             [-clampBaseVoltage <clamp base voltage>]
                             [-stepTargetVoltage <step target voltage>]
                             [-erev <reversal potential>]
                             <NeuroML 2 Channel file> <Channel Id>