Expose new API features from NI-XNET 17.0, 17.5 and 18.0

[jashnani]

Add support for any new API elements introduced in NI-XNET 17.0, 17.5 and 18.0

[d-bohls]

I diffed nixnet.h 16.1 against 18.0 and came up with this list of new items:

errors:
nxErrLowLevelCommunicationTimeout
nxErrCdaqTransferAborted
nxErrDatabaseImportVersion
nxErrEventUnequalPayloadLength
nxErrEventUnequalCheckSumType
nxErrCrioBadDriverVersions
nxErrCrioMissingSlotSupport
nxErrIntfAlreadyInUseByNiXnet
nxErrIntfAlreadyInUseByNiXcl
nxErrByteArrayNotAllowed
nxErrNoByteArrayMix
nxErrOnlyOneByteArray

properties:
nxPropSession_IntfLINChecksumToInStrm
nxPropSession_J1939IncludeDestAddrInPGN

enum values:
nxDevForm_PCIe
nxSigDataType_ByteArray

methods:
nxConvertFramesToByteArraySinglePoint
nxConvertByteArrayToFramesSinglePoint

Edit: #263 addressed everything here but the methods.