lua_objlen->lua_rawlen,  lua_equal->lua_compare for Lua 5.2
lua_objlen->lua_rawlen,  lua_equal->lua_compare for Lua 5.2

lua_objlen has been renamed to lua_rawlen in Lua 5.2.
lua_equal(..) has been deprecated in favor of lua_compare(..,LUA_OPLE).

jsbackus/notion-libextl,jsbackus/notion-libextl