fixes & enhandcements

(benchmark code..) implemented
repl completion very first version
(string xx) added
some builtin renames
a bit of comments
a bit of cocumentation
(sleep interval) added

CMakeLists.txt

@@ -13,6 +13,9 @@ set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-stack_size -Wl,0x1000000")
 # otool -lV build/ml | grep stack
 
+# set(CMAKE_CXX_FLAGS "-Wall -Wextra")
+# set(CMAKE_CXX_FLAGS_RELEASE "-O3")
+
 include_directories(/usr/local/opt/openssl/include ${CMAKE_SOURCE_DIR}/clib ${CMAKE_SOURCE_DIR} )
 
 link_directories(/usr/local/lib /usr/local/opt/openssl/lib)
@@ -26,6 +29,7 @@ set(SOURCE
 	ml_io.cpp
 	ml_date.cpp
 	ml_string.cpp
+	ml_util.cpp
 	clib/csvparser.cpp
 	clib/sslclient.cpp
 	clib/json11.cpp