Frank Akogun

Tree.js **traverseDepthFirst** doesn't return the correct order. ``` Tree.prototype.traverseDepthFirst= function(fn){ this.children.forEach(function(child){ child.traverseDepthFirst(fn); }); fn(this) } ``` Based on the example dataset: ``` var tree = new Tree(1); var branch1 =...

Hi, i noticed this particular icon isn't listed.  also the screenshot used in the Readme is quite misleading as most of them are also missing.