It is now clearer how to use this library. The example(s) are built by default.

…init()

Having to do all of the Args -> Vec<String> -> *mut *mut c_char conversions in every program using hpx-rs seems tedious. This wrapper helps to remove some of these ugly layers by moving them to the library rather than the user code

…afe part of this assignment is itself, not the right-hand side.