nanomsg 0.4; dynammic link to library
correct way to include external header files
int options/flags reordering + 0.4 update
remove debug exception
getOption not works for all int based options
ignore more generated artefacts
doesn't work on Windows so remove code that could lead to confusion; force C++11
remove duplicate statements
dedicated exception for errors from FFI
throw error on unsupported targets
cleanup buffered msg memory
fixes #2