WIP Instance object creation
WIP Instance object
Removing spurious brackets in class definitions
Refactoring main method to assign prompt results to Instance instance; moved lots of run and post-run functionality to Instance
Refactoring main to pipeline prompt methods; all prompts now accept Instance instance and operate on it
Fixing up tests
A little tidying up, bugfixing
Merge pull request #13 from BigglesZX/feature/pipelining

Improved: convert main.py:main prompt function calls to pipeline