back then I did not remember char was signed, anyway now we have opti…

…on to define the sizes we need

README

@@ -2,6 +2,6 @@ Found the code via http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1267762668/9
 
 Noticed it's not interrupt safe so did a quick-and-dirty sprinkling of volatile keywors and it happens to work
 
-Also limited the FIFO size the 255 (char vs int, for strategic variables) to conserve memory.
+Also limited the FIFO size the 255 (uint8_t vs int, for strategic variables) to conserve memory. If you need larger buffers: define SIMPLEFIFO_LARGE before including SimpleFIFO.h which will use uint16_t for those variables.
 
 See also http://code.google.com/p/alexanderbrevig/downloads/list