Optimise file selection by using Quicksort. Plug a memory leak in file selection. Allow the Left and Right keys to auto-repeat. All of these changes support large folders better.
Refactor the number of ROM banks loaded at once from a certain file into a #define for future tweakability.
Shut down the 3D hardware upon startup to save power.
Merge pull request #5 from Nebuleon/optimisations

UI optimisations