simple Lua function for printing to the console in color

 provides the 'ansicolors' function which allows the Lua programmer to
 output colored (both foreground and background) and stylized text.
 .
 One can use standard terminal colors: black, red, green, yellow, blue,
 magenta, cyan, white.
 .
 The following styles are also available: bright, dim, underline, blink,
 reverse, hidden, reset.