Added toss/grab functionality. Various speed-ups.

Summarized list of changes for 3.0.0:
	- Added toss/grab functionality.
	- Many compact functions are now inline.
	- 'flub_*_get()' functions are now inline.
	- 'flub_catch()' functions now return void.
	- 'flub_free()' no longer frees the flub itself.
	- 'flub_free()' now returns void.
	- Updated README.
	- Updated example file.