directory 'test' to 'tools' renamed.
tools: feed renamed to ebusd_feed.
ebusd_send added.

TCPListener renamed to TCPServer.
TCPClient added.
class Appl: addArgs function added.
class Appl: parseArgs enhanced; ebusd_send for hex command implemented.
class Appl: numArg function added; ebusd_send: get, set, cyc commands implemented.
Version changed from 0.2.0 to 0.2.1
directories utils->lib and tools->tool renamed; ebusd_send changed to fit with all commands.
ebusd_scan added.
ebusd_scan: scanVaillant added.
ebusd_scan: scanVaillant reworked.
BUG: in Appl::parseArgs: 'Checking if necessary arguments were entered' added.
daemon option --recvtimeout added.