SetScreenRes for 1, 2 or 3 screens (and some bonus/macro ideas)

README

My eyesight is not brilliant and I switch resolution modes depending on
a: how many displays I have 1 2 or 3
b: the size of the text I want

Previously I used System Preferences> Displays, but I am really surprised how often I now use this macro set as it is so easy to change the text/resolution size.

Latest version of this macro is now kept in "Tips" section at