remove hard coded comma and replace with first char of separator

src/tools/StringUtils.cpp

@@ -77,7 +77,7 @@ std::vector<std::string> parseSepButNotBetween(std::string string, std::string s
                 state = 4;
             } else if (it == '"') {
                 state = 5;
-            } else if (it == ',') {
+            } else if (it == sep[0]) { // FIXME: only supports single char separators
                 // flush buffer
                 auto str3 = string.substr(last, last ? (cursor - last) : cursor);
                 //std::cout << "from " << last << " to " << cursor << " pushing [" << str3 << "] it[" << it << "]" << std::endl;