sandboxed server, step 1: add an example client that shows the desired usage of the public API
sandboxed server, step 2: add an IPC and serialization mechanism
sandboxed server, step 3: add two dummy datatypes with serialization methods and rcpp wrappers
sandboxed server, step 4: add wrappers for server and client to send commands and replies
sandboxed server, step 5: add a listening and fork()ing server and finally the Makefile
extend the protocol to allow returning errors during callback parameter passing, making conversion errors non-fatal
remove MIT licenses
Merge pull request #8 from cauthmann/sandboxed_server_review

Sandboxed server review