pre refactor

core/console.lua

@@ -0,0 +1,19 @@
+local M = {}
+
+function M.log(fmt, ...)
+    print(string.format("[%12f] ", os.clock()) .. string.format(fmt, ...))
+end
+
+function M.info(fmt, ...)
+    print("INFO: " .. string.format(fmt, ...))
+end
+
+function M.warn(fmt, ...)
+    print("WARN: " .. string.format(fmt, ...))
+end
+
+function M.error(fmt, ...)
+    print("ERROR: " .. string.format(fmt, ...))
+end
+
+return M