NIOUDPServer: small bugfixes
NIOUDPServer: some WIP on NIOUDPServerClient::send()
NIOUDPServer: some basic security, avoid queue overflows, should be customizable
TESTS: added test_encoding as playground for encoding uint32s to string and reverse
TESTS: added test_encoding to Makefile
CMBMGlobals: added class IntEncDec to handle encoding/decoding int->string, is used in test_encoding for now
GLOBALS: IntEncDec.h: fixed a typo
CMBMNetwork: some WIP on upd server module