I hope this isn't possible. The working directory is process global, so the change would effect other plugins in strange ways.
What are you actually trying to do? It looks like re-implement nginx's ngx_lua module. Why? MCServer's HTTP support is crap, and really should be farmed out to an actual server.
What are you actually trying to do? It looks like re-implement nginx's ngx_lua module. Why? MCServer's HTTP support is crap, and really should be farmed out to an actual server.