Strom Phylogenetics C++ Tutorial: Creating a Tree Manipulator

In this section, we create a class (TreeManip) that manipulates a tree object.

Step	Title	Description
Step 4.1	Create the `TreeManip` class	There are benefits to keeping the `Tree` and `Node` classes simple, so in this step we will create a `TreeManip` class that will own, manage and manipulate a `Tree` object.
Step 4.2	Test TreeManip	Test tree creation using the new `TreeManip` class.

4.0 Creating a Tree Manipulator