Add tests for QUERY command execution, change pmbClient and pmbServer interfaces

Fixed QUERY write registers issue

Add install data for src/CMakeLists.txt

Update changelog.md

Fixed printf int size warnings on Linux

Fixed compile time error for Linux

Add tests docs

Update docs

Add cmdline options '--print-config' and '--print-config-only'

Add ipaddr (TCP), units and broadcast params for SERVER command

Add SIGTERM handler

Add pmbMemory class tests

Add pmbLogConsole class tests

Rename mbLog* to pmbLog*

Add tests for pmb_core.h functions