look into pretty printing for our data structures

[mariari]

Pretty pritning can be read about:

https://www.cs.cmu.edu/Groups/AI/html/cltl/clm/node253.html

https://gist.github.com/wobh/2c1a109e1e6dc2cdbc28

It would serve us much better than my current pretty printing techniques

[mariari]

This has been done for the vamp-ir IR inside of alucard. However this is needed for the top level data structure