Fix for bug #1204040: cdata, that returns, may be not only UINT64 or INT64
Merge branch 'stable'
Define mh_key_t in mh_i32ptr_hash to enable mh_find().
Update README.md
Use const request everywhere
Merge branch 'master' into request-refactoring
Implement wrappers to work with LuaJIT FFI CDATA using lua_State
Add FFI definitions for box.request and CDATA wrappers for lua_State