Remove CLI support. Refactor API to remove reading/writing actions. Add option for callback.
Remove CLI support. Refactor API to remove reading/writing actions. Add
option for callback.

shaunstanislaus/speckjs,utensil-star/speckjs,Iced-Tea/speckjs,amorri40/speckjs,speckjs/speckjs,yetone/speckjs,snipermiller/speckjs