Get unsigned integer32 from 4 byte array

getunsignedinteger32.swift

fileprivate func getUnsignedInteger32(bigEndian: Bool = true, data: Data) -> UInt32 {
    let returnvalue: UInt32 =  data.withUnsafeBytes { rawPointer in
        rawPointer.bindMemory(to: UInt32.self).baseAddress!.pointee
    }

    return bigEndian ? returnvalue.bigEndian : returnvalue.littleEndian
}