7seg!rgb#[i][RRGGBB]    Set a colour RGB index from a hexadecimal string.

Where [i] is an index of a colour settings (0 being segments, 1 being colons, and 2 being messages), followed by RRGGBB as a hex string.  Eg:

• Set digit colour to RRed = 7seg!rgb#0FF0000
• Set colon colour to GGreen = 7seg!rgb#100FF00
• Set message colour to BBlue = 7seg!rgb#20000FF

 7seg!showmsg#ASCIIabc    Temporarily shows message 'ASCIIabc'. 

Message should be no longer than the display length. The message appears at full intensity and fades out over 3 seconds.  The message will appear in the colour specified by the message colour RGB index 2.    Eg:

• 7seg!showmsg#hi arjan
• 7seg!showmsg#Stopped