Add a simple golang-esque deferral system for python.
- Add deferrals for a function
- Tests
- 95% testing coverage
- Add deferrals for a class
- Add deferrals for a module
In [1]: import defer
In [2]: @defer.with_defer
...: def example_function():
...: print("Hello")
...: defer.defer(print, "!")
...: print("World")
...:
In [3]: example_function()
Hello
World
!