Commentary on the group trait computation.
pairwise invasibility plot
Optional display for pip
Exact pip
Contour over colormap for pip
pip bugfix
exact option on pip
Routine for pip
PIP array plotting
Black and white colormap for pip
Threshold function for pip
threshold function fix
Pairwise interface plus various bugfixes.
individual based Continuous models
experiment fix
Added max size for images in experimental reports html display
Added an option to tune the equilibrium halting condition.
Bugfix on html parsing
Added a maximum probability option to the  simple fitness pip.
sigma computing