This creates a blank plan without any parameters included.
This generates a single year of 4 quarters without any pre-determined
classes inputted.
This creates a standardized plan by taking in a starting quarter/year and
then generating a typical plan for a student with no prerequisites.
This creates a plan using a list of prerequisites the advisor can check off as completed. It
also sets the starting quarter, the number of classes being taken per quarter, and whether
to include summer classes.