Package v0.4.2

Introduction of Function Classes

Broken functionality: antcolony_plot

New functionality: S3 method for plotting

Bugfixes

Added a package loading message

Package v0.4.1

New functionality: Simulated Annealing

New functionality: Tabu Search (Short Form)

New functionality: ACO Plots

New functionality: Bifactor Models

Minor revisions

Package v0.4.0

Minor changes