The std::is_member_function_pointer<> template is broken on this version
of the libc++ standard library for const member functions.
To get ChaiScript to work with this, we had to work around the use of
automatically generated std::function wrappers in many cases. This
actually cleaned up the code in a few places and muddied it up in one.
* 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.
