Move magrittr to Depends, to make it easier to work with examples (this way it will always get the chain %>% operator to be available to all examples)
tanglegram.dendlist - bug fix for it to work + some minor fixes to the doc
Added entanglement.dendlist function
tanglegram - making its output be a dendlist object
Add tests for entenglement on dendlist
Add pipes to the untangle docs
Added credit to Dylan Beaudette for his dueling.dendrograms function (the origin of the tanglegram plot)