Update imagen reference
Improved analysis code, use sheets from model setup rather than manually defining them
Introduced options to set contrast and retina->LGN strength
Minor bugfix for SF, do not divide strength by len(lags), changed measurement protocol
Allow arbitrary parameters passed to model, correct measurement code for SF
Bugfix: Correct setup of durations; only add LagX to name if lag>1
Warning about non working version of eval() for projections
Updated featuremapper reference
Bugfix: change labels to pattern_labels
removed whitespace
Fix for reset_period and analysis duration for motion model; set self.lags and self.eyes in proper class
Removed _new_motion_model toggle, moved sf measurement to correct place, bugfix self.lags->self.dims
Updated featuremapper reference