New function convertCammelCaseToSnakCase

[sea5kg]

// ---------------------------------------------------------------------
std::string WsjcppPackageManager::normalizeUnitTestName(const std::string &sUnitTestName, bool bSilent) {
    std::string sRet = ""; 
    for (int i = 0; i < sUnitTestName.size(); i++) {
        char c = sUnitTestName[i];
        if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9')) {
            sRet += c;
        } else {
            if (!bSilent) {
                WsjcppLog::warn(TAG, std::string("Ignored symbol in UnitTest Name '") + c + "'");
            }
        }
    }
    return sRet;
}