Implement support for finding a sub-node inside an 'each' statement
Untested at this point
Improve debugging support
Detect when a sub-node is the last thing on the stack and generate the output
Use provided key names
In the future this will be used to provide more context, and
allow the creation of the --shellvars functionality
Fix recursion with node search inside a command
for example: .disks|each|.flags|each|values