Add new type of SVG sketch files supported by iconscript 0.4.
Add icons:
arrow_backward,arrow_forward,barrier_jersey(#51),bee(#47),bus_over_bus_trap(#53),compass,compass_rose,full_height_turnstile(#52),narrow_gauge,rails,rails_with_derailer(#56),tactile_map(#11),tumulus,vending_candy(#45),vending_lollipop(#45),vending_pack(#43),
Redraw icons:
bus,saddle,trolleybus.
To grid command add --width, --height and --background arguments.