ibrdtn: Add plain serializer encoding name "skip" for SKIP_PAYLOAD
ibrdtn: Split-up unit tests for Utils::tokenize into several tests
ibrdtn: Add SDNV max test for 32-bit values
ibrdtn: Change max type of Utils::tokenize to std::string::size_type
ibrdtn: Fix Utils::tokenize (for Raspberry Pi)
Remove references of primitive types with default values