Added nodemon as a devDependency.

Will allow for cool test on save functionality.
Added more metadata.
Added the test watcher to the makefile.
Beginning basic setup for World class.
Test watcher should handle new files now.
Better testing.

Now it uses tape correctly.
Began to add basic World code + tests.
Added some more default values to the world.
Updated the set comment.
Added bounds checking code and began castRay.
Added some simple initial ray cast tests.
Beginning to implement ray loop.