Main repo split.
Progress being made in splitting the repo.

Nothing is working right now, and the code looks awfull. Oh well.
Refactoring is almost done!
Making the engine work without panda again.
More engine refactoring.
Fixing remaining bugs from split.
Bugs with integral and engine now fixed.

The engine now runs with a printer of an integral. More testing
to come with other functions.
Merge pull request #1 from WSCU/repoSplit

Repo split. Engine should now work on its own.

There are still something to clean up, like the world object in Globals.