protect against zero densities in sparse grids
added make_free function to RV's
fix Jacobians
added an earlier exit from inner loop. prevents...
better diagnostic messages in models
added sigmoid function of r.v.'s
fixes to tan function
fix when pygraphviz not present
chaged variable exchange heuristic to match cur...
fix drawing 1free 1dep plots
added plotting constant distributions in Model
added Fabius function example
fix another bug from Marc-Etienne
fixed plotting of narrow segments
fix drawing of segments when next segment is fu...
release new version
implement the tanh function
add Student T with 2 df to central limit demo
disable openblas threading in parallel mode
fix for numpy 1.9 + news entry
fixed a bug with initialization in convprod: 0 ...
fix a bug with a newer version of scipy