Added Fatalities info

Now accepts accents !

This is required for deployment on the CEFE server

to fix ERROR ("names [0]")

WORKS great !!
Calibration is satisfying.
This can be v 0.0.4

Changed rounding for intrinsic growth rate display

Added "elements_Leslie" function

Also corrected some Q_marks

Added button "calibrer vr"

Corrected dimension stuff in pop_proj for 2-age classes situations
Added cv_env = 0 for fast_paced species