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Updated Servo H, changed int type #6

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made uint16 into uint32 to account for integer overflow of function (angle) * (SERVO_MAX_WIDTH - SERVO_MIN_WIDTH), when given a sufficiently large range.
Previously, the limit of Delta from MAX WIDTH and MIN WIDTH is 364 (364*180 = 65520). Increasing delta will cause overflow.
Previously, the total Delta was limited to the around a 1.78 ms range of sendable values: i.e. 1.5 +/- .892 ( 0.607 - 2.392 ).

made uint16 into uint32 to account for integer overflow of function (angle) * (SERVO_MAX_WIDTH - SERVO_MIN_WIDTH).
Previously, the limit of Delta from MAX WIDTH and MIN WIDTH is 364 (364*180 = 65520). Increasing delta will cause overflow.
Previously, the total Delta was limited to the around a 1.78 ms range of sendable values: i.e. 1.5 +/- .892 ( 0.607 - 2.392 ).
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