Rework pitch detection: To improve separation between pos and neg moves the history memory is now evaluated starting from the last detected start condition. This was needed because a small "overshoot" of the end position causes e.g. a pos event to be detected as negative event.

copy ..\..\OSTC4_Firmware\Release\OSTC4_Firmware.bin OSTC4_Firmware.bin /V /Y
copy ..\..\OSTC4_RTE\Release\OSTC4_RTE.bin OSTC4_RTE.bin /V /Y