Use a pretty printing library in place of custom implementation

[sajidanower23]

At the moment, pretty printing is done manually. ppDWhat is an example of that. It is worth using a library to do it for us.
A list of libraries to consider:

• Pretty

Original Author: ano002

(Moved with github-migration-0.1.0.0 (package github-migration-0.1.0.0 revision df9f38b))

[sarafalamaki]

Why do we need a pretty printing lib? Can't we just pretty print the json?

Original Author: fal05c