Scnic

Now new folders will only be made if necessary and old folders as specified by -o will not be emptied before use (with within logic).

Now uses a complete linkage hierarchical clustering method to find groups of observations that are no more than a set distance apart based on correlation value.

Never be lazy writing your tests.

Reworks how module content is chosen and summed. Multiprocessing of between table correlations. Other bugfixes and refactoring.

Fixed some errors with sparCC and traditional correlation metrics.