Feature Request: Print variables as text/strings

Right now when you type out text through STRING or the OLED_PRINT, it has to be predefined in a constant or by the script itself.

Because of this, if you want to have more than one options for text output, you need to add if statements.

I purpose that to put a dent in the above problem, a new command is added that converts an int to an ascii character which is then outputted.

Something along the lines of CHAR, CHARLN and for the oled screen OLED_CHAR.

Which would allow for

VAR $i = 0
$_RANDOM_MIN = 65
$_RANDOM_MAX = 90

WHILE $i < 5
    STRING Random Letter: 
    CHARLN $_RANDOM_INT
    $i = $i + 1
END_WHILE

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