Work on AIR debug printing in blaze REPL
Process comments
Comment on why the jit is disabled
Merge branch 'master' into _irprint

Conflicts:
	blaze/compute/air/environment.py
	blaze/compute/air/passes.py
	blaze/compute/eval.py
Merge pull request #139 from markflorisson88/irprint

Work on AIR debug printing in blaze REPL