Add some missing LockTaskData
Add testbench diagnostic when deleting old IGC files
Add testbench diagnostics in FindFreeSpace
This is version 4.1u
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fix buffer overflow in GlidePolar Cache.
This is version 4.1u1
Advance to next beta
Add internal AlphaBlend Function for All device
Screen orientation, save OS orientation on startup and restore it on shutdown.
  this is needed for allow use landscape mode with Oudie 2 device.