Series of bugfixes, improvements and optimisations

USB stack was improved to help support for older USB devices.
Some additional firmware size optimisations. It is getting more difficult to keep firmware at the maximum size.

Filesize on mapper page

Display file size on mapper page

v3.2.4

Incremental compatibility improvement for some USB sticks.
Small code cleanups and file navigation enhancements

v3.2.1 Fast Flash

This release changes cart flashing routine. It uses 32KB block erase, which substantially speeds up flashing time.

v3.1.2

Flush button presses at certain points. It is to prevent sticky keyboard presses.

v3.1.1.

Series of bug fixes.

FATFS release.

Change of FAT32 library to FATFS
FAT32 Full Long name support
ExFAT support (Large USB flash drives)
Programming progress feedback
Changes how navigation across folders work (Backspace takes you to parent folder)
Other minor fixes and improvements.

FATFS Beta release

This release is first release that uses FATFS library to support Fat32 and exFAT.
This fixes a lot of issues related to long filenames and adds exFAT support.

Known issues
Limited directory navigation. I still need to work on dir navigation.