Make warnings more strict and fix one warning caught by gcc

CMakeLists.txt

@@ -47,11 +47,15 @@ else(READLINE_LIBRARY)
     SET (READLINE_FLAG )
 endif(READLINE_LIBRARY)
 
-#SET (CMAKE_C_FLAGS_REL " -Wall -O3 ${READLINE_FLAG}")
-#SET (CMAKE_CXX_FLAGS_REL " -Wall -O3 ${READLINE_FLAG}")
-
-#SET (CMAKE_C_FLAGS " -Wall -ggdb ${READLINE_FLAG}")
-#SET (CMAKE_CXX_FLAGS " -Wall -ggdb ${READLINE_FLAG}")
+IF(MSVC)
+  IF (CMAKE_BUILD_TYPE MATCHES "Debug")
+    ADD_DEFINITIONS(/W4 /Wall)
+  ELSE()
+    ADD_DEFINITIONS(/W3)
+  ENDIF()
+ELSE()
+  ADD_DEFINITIONS(-Wall -Wextra)
+ENDIF()
 
 include_directories(include)
  

include/chaiscript/dispatchkit/bootstrap_stl.hpp

@@ -264,7 +264,7 @@ namespace chaiscript
      *http://www.sgi.com/tech/stl/FrontInsertionSequence.html
      */
     template<typename ContainerType>
-    ModulePtr front_insertion_sequence_type(const std::string &type, ModulePtr m = ModulePtr(new Module()))
+    ModulePtr front_insertion_sequence_type(const std::string &, ModulePtr m = ModulePtr(new Module()))
     {
       typedef typename ContainerType::reference (ContainerType::*frontptr)();
       m->add(fun(static_cast<frontptr>(&ContainerType::front)), "front");