Graphing module can be broken into 3 modules in a package

**Describe the problem the feature request will solve**
This will break up a long module into more specialized components.

**Describe the solution**
Create a graphing package, and then a module for each class, and a module for the functions will all go in the package.

**Additional context**
This module may still need to be refactored in the future to clean up the logic.