Alpha build v0.99.9

Patch notes Alpha 0.99.9
>Mid level monsters
>Lean Machine (Fragile, High damage dealer)
>
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>generateLevel parameter fix.
>General tidying up of code. Prepping for final version.
>Level environments are accurately tracked now.
>Fixed issue with arrows not being assigned if found as treasure.
>Increased chances of finding a monster in each room.
>New balancing for boss battle to correlate with the increased chance of
finding a monster.