Using 8 bit raw timing buffer for all timings except frame gap (former rawbuf[0]).

Using 8 bit raw timing buffer for all timings except frame gap (former rawbuf[0]).
Renamed decodedIRData.initialGap to decodedIRData.initialGapTicks.
sendNEC() and sendNEC2() now accepts 16 bit command to better map to NECext protocol found in IRDB databases.
ir_DistanceWidthProtocol() now decodes up to 10 ms mark or spaces if RAM is bigger than 2 k.
Improved sensitivity and decoding of PULSE_DISTANCE + PULSE_WIDTH protocols.
Changed TOLERANCE_FOR_DECODERS_MARK_OR_SPACE_MATCHING to TOLERANCE_FOR_DECODERS_MARK_OR_SPACE_MATCHING_PERCENT.
Improved examples AllProtocolsOnLCD, UnitTest and SimpleReceiver.
New functions decodePulseDistanceWidthData() with 6 parameters and decodePulseDistanceWidthDataStrict() with 7 parameters.

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