Added W generation
Passing k to base_choropleth_classif from plot_choropleth. This should fix Issue #352
Merge pull request #353 from darribas/master

Passing k to base_choropleth_classif from plot_choropleth
Node insertion, precursor to segmentation.
bug fix and all pointers filled for external edges
pruning
pruning
errors in segmentation fixed
Merge pull request #357 from jlaura/newstyle_wed

Newstyle wed
Merge pull request #355 from sjsrey/cleanup/moran

pruning