usql updates, lexer changes

Readme.md

@@ -35,7 +35,8 @@ see /doc/Doc.md
 ```
 mkdir -p build
 gcc -std=c99 -c -O2 -o linenoise.o clib/linenoise.c
-c++ -c -O2  -I/usr/local/opt/openssl/include -Iclib --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/printf.cpp
+c++ -c -O2  -I/usr/local/opt/openssl/include -Iclib --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/printf.cpp clib/linenoise.c usql/exception.cpp usql/lexer.cpp usql/parser.cpp usql/usql.cpp usql/table.cpp usql/table.h usql/row.cpp usql/csvreader.cpp usql/settings.cpp usql/usql.cpp
+
 // on linux c++ -o build/ml -O2 -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl *.o
 c++ -o build/ml -O2 -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl -Wl,-stack_size -Wl,0x1000000 *.o
 ```
@@ -56,11 +57,11 @@ utils/local_install.sh
 (read-url "https://api.nasdaq.com/api/calendar/dividends/") ; hangs in sslclient.cpp line 132
 
 ### TODO
-- in ml_date throw exception when invalid date string or format
 - add debug support, at least call stack
 - multiline editing (see kilocpp editor)
 - execute system command should capture stderr
 - add some mem stats to benchmark
+- add tests for usql
 
 #### Code
 - add documentation