minor exception printout bug

[garankonic]

When an error code is printed as shown in the line below
20-10-21 17:19:46.696948 [7f23d1dbe700] ERROR - Bad response code (0x4 = 'bus error on read') received for Incrementing read at base address 0x41000014 (offset 0x1, node "user.timecon.tcds_sinerr_count"). URI: "chtcp-2.0://bridge:10203?target=amc:50001". Sent/received headers: 0x21b3010f / 0x21b30104 (25/25 bytes into IPbus payload)
Note 0x41000014 (offset 0x1, node "user.timecon.tcds_sinerr_count") - the register name is not printed correctly as the exception handler interprets "aWordCounter" as the offset and prints name for the register 0x41000015.
https://github.com/ipbus/ipbus-software/blob/master/uhal/uhal/src/common/ProtocolIPbusCore.cpp#L102
I believe that the expression aBaseAddress + ( (aType == NI_READ) or (aType == NI_WRITE) ? 0 : aWordCount) has to contain aWordCount-1
Was spotted when throwing an exception with the register that I am never using.