New cmd mechanism implementation of CLCC parser.
Unit tests implementation for the parser.
Refactor of searching for active outgoing call
in service cellular.
Extended cmd mechanism to provide class defined responses and
implemented SMS center verification to check if SIM card is properly
cofigured and is able to send SMS messagess at all.
This check is needed because if SMS Center is lost we are not able
to send SMS messages with no verbose error codes.
Added milliseconds and noexcept specifiers for at commands
Fixed Chanel name to Channel
