Changes

* [https://www.compuphase.com/pawn/pawn.htm PAWN] the scripting language compiler

* [https://notepad-plus-plus.org Notepad++] one of the most powerfull editor for programmers with syntax highlight

* [http://www.putty.org PuTTY] fast and flexible serial terminal emulator for comunication over RS-232

* [http://qfsm.sourceforge.net Qfsm] simple and fast program that help in designing FSM ( [https://en.wikipedia.org/wiki/Finite-state_machine Finite State Machine] )