Update README.md

Author: martincwilliams

README.md

@@ -1,2 +1,11 @@
 # misc
 Miscellaneous C++ utilities
+
+### print
+
+Usage:
+
+```
+   print(arg1, arg2, arg3...);      // Print the list of arguments to standard output.
+   println(arg1, arg2, arg3...);    // Print the list of arguments to standard output with a newline at the end.
+```