Updated pinout in readme

I have updated the readme file with the new requested pinout. It will
output a byte of data through leds via 8 differnt pins.

README.md

@@ -12,16 +12,16 @@ make and break time of a relay.
 1. VDD(+5v)
 2. PA4(SW2/BREAK)
 3. PA5(SW1/MAKE)
-4. PA6(NC)
+4. PA6(BIT7)
 5. PA7(RELAY_OUT)
-6. PB3(RX)
-7. PB2(TX)
-8. PB1(NC)
-9. PB0(NC)
+6. PB3(BIT6)
+7. PB2(BIT5)
+8. PB1(BIT4)
+9. PB0(BIT3)
 10. RST(NC)
-11. PA1(EN)
-12. PA2(NC)
-13. PA3(NC)
+11. PA1(BIT2)
+12. PA2(BIT1)
+13. PA3(BIT0)
 14. VSS(GND)
 
 *key*
@@ -29,7 +29,7 @@ NC:: Not Connected
 PBX:: Port B pin X
 PAX:: Port A pin X
 RST:: Reset pin
-
+BIT:: A bit place out of a byte of data for output
 
 ## Project Layout
 
@@ -103,10 +103,3 @@ The command runs the otto script which automates parts of the development cycle
 such as running and building tests, compiling hex files and flashing the code
 to a micro-controller using arvdude.
 
-
-## Roadmap
-
-Some stuff that still needs done.
-
-- [ ] Write Unit Tests for Serial Comunications.
-- [ ] Write Unit Tests for Timer/Counter (10Khz)