> All changes to WhatIf are documented here. GitHub issue numbers are given after
each change note when relevant. See <https://github.com/IQSS/WhatIf/issues>/. 
External contributors are referenced with their GitHub usernames when 
applicable.

WhatIf version 1.5-9
===============================

# Major changes

-   :rocket: convex hull test now run in parallel. The number of cores can be 
specified in the `whatif` call with the `mc.cores` argument.

# Minor changes

-   Additional tests added.

-   Progress bar added to `whatif` convex hull test to indicate progress.

-   Travis CI added for continuous integration testing.

WhatIf version 1.5-8
===============================

# Major changes

-   Returns Zelig integration.
