Make stdlib

* Build the standard library as a module .so
 * Locate and load lib at runtime as a module
   if it is not provided to the ChaiScript
   constructor.

Decreases compile time by 1/2 for common use cases
where the user can use the dynamic library module.

include/chaiscript/chaiscript.hpp

@@ -752,13 +752,9 @@
 #include "dispatchkit/dynamic_object.hpp"
 #include "dispatchkit/boxed_number.hpp"
 
-#ifdef  CHAISCRIPT_HAS_DECLSPEC
-#define CHAISCRIPT_MODULE_EXPORT extern "C" __declspec(dllexport)
-#else
-#define CHAISCRIPT_MODULE_EXPORT extern "C" 
-#endif
-
 #include "language/chaiscript_eval.hpp"
 #include "language/chaiscript_engine.hpp"
 
+
+
 #endif /* CHAISCRIPT_HPP_ */