added tinker_core as lib

src/polyfill.lua

@@ -0,0 +1,22 @@
+-- Polyfill require function
+_G.require = function (module)
+    -- Polyfill luv package
+    if module == "luv" then
+        local module = {}
+        local metatable = {
+            __index = function(t, i) 
+                -- Polyfill gettimeofday
+                if i == "gettimeofday" then
+                    return function ()
+                        local mil = os.epoch()
+                        return mil / 1000, mil
+                    end
+                else
+                    print("ERROR: Tell a dev to implement: " .. i)
+                end
+             end
+        }
+        setmetatable(module, metatable)
+        return module
+    end
+end