Updated README.md
Modified presets list message
Modified some comments
Bug: wrong option check - FIXED
Updated README.md + investigating wrong option chk
Added preset 'poem'
Added preset 'semiotic'
Added flag '--preset-system'
Added preset 'terzarima' (Dante)
Added presets 'presentation*'
Better handling of 'check model name'
New function to print final result
Re-writing '--list-models' code from scratch
Wrong PROMPT formatting for presets: FIXED