message: Add 32 and 64 bit unsigned integers as tensor types in IR
  These types are already extensively used throughout in the operator
  definitions, but were missing in the definition of the intermediate
  representation.
diff: @@ -394,7 +394,7 @@ It is common to represent a tensor as a nested list. This generally works fine,
  |---|---|---|
  Floating Point Types|float16, float32, float64|Values adhering to the IEEE 754-2008 standard representation of floating-point data.
  Signed Integer Types|int8, int16, int32, int64|Signed integers are supported for 8-64 bit widths.
  -Unsigned Integer Types|uint8, uint16|Unsigned integers of 8 or 16 bits are supported.
  +Unsigned Integer Types|uint8, uint16, uint32, uint64|Unsigned integers are supported for 8-64 bit widths.
  Complex Types|complex64, complex128|A complex number with either 32- or 64-bit real and imaginary parts.
  Other|string|Strings represent textual data. All strings are encoded using UTF-8.
  Other|bool|Boolean values represent data with only two values, typically true and false.
  