At the moment, it seems like it should be working, but I get:
```
lua5.1: error loading module 'bcrypt' from file '/usr/local/openresty/luajit/lib/lua/5.1/bcrypt.so':
Error relocating /usr/local/openresty/luajit/lib/lua/5.1/bcrypt.so: luaL_setfuncs: symbol not found
```
