I've tracked down and fixed a few bugs since launch, and added some options for the quality of the smoke - to help alleviate performance issues on lower spec machines

I tried the game on a GTX 780 3gb and found that the frame rate was very low (20fps), so I am investigating the performance impact of certain FX and potentially changing the minimum requirements

Found out this was due to the user's computer running something else - they have 100fps now!

- Made Flying Ingredients spell a uniform speed across different frame rates
- Made Offensive Spells uniform speed across different frame rates
- Fixed ingredients and potions being thrown with too much force on low frame rates
- Added smoke quality options in low, medium, high
- Fixed full screen option not being loaded correctly when closing and reopening the game