autoplot.heumilkr_solution
                        Create ggplot for a CVRP solution
clarke_wright           Clarke-Wright algorithm, a Capacitated Vehicle
                        Routing Problem solver
clarke_wright_cvrplib   Apply 'clarke_wright()' to CVRPLIB data
cvrplib_A               CVRP instance data by Augerat, 1995
cvrplib_B               CVRP instance data by Augerat, 1995
cvrplib_E               CVRP instance data by Christofides and Eilon,
                        1969
cvrplib_F               CVRP instance data by Fisher, 1994
cvrplib_Tai             CVRP instance data by Rochat and Taillard, 1995
cvrplib_download        CVRPLIB problem instance downloader
cvrplib_ls              List available CVRPLIB online data
milkr_cost              Vehicle runs cost / distance
milkr_saving            Vehicle run saving
plot.heumilkr_solution
                        Plot a CVRP solution
