Initial data commit

Task/Exceptions/Lua/exceptions-2.lua

@@ -0,0 +1,11 @@
+function throw_error()
+    error("Whoops")
+    -- won't ever appear, due to previous error() call
+    return "hello!"
+end
+
+-- 'status' is false if 'throw_error' threw an error
+-- otherwise, when everything went well, it will be true.
+-- 'errmsg' contains the error message, plus filename and line number of where the error occured
+status, errmsg = pcall(throw_error)
+print("errmsg = ", errmsg)