Update README.md

Author: cujomalainey

README.md

@@ -8,14 +8,14 @@ Arduino library for communicating with ANT radios, with support for nrf51 device
 
 ## News
 
+* 09/30/2017 Callback system complete, v1.0.0 released
 * 09/10/2017 System refactor complete
 * 12/26/2016 More examples and Tx added
 * 06/08/2016 Initial Experimental Rx only release
 * 04/21/2016 Project forked from Andrew Wrapp xbee-arduino
 
 ## Roadmap
 
-* v1.0 callback system implemented (partially implemented in current release)
 * v1.1 unit test done on all messages, serial driver and callback system
 * ~~v1.6 SPI support~~ (Arduino has no support for being a SPI slave, maybe mbed)
 * v2.0 compile switch to handle running natively on an nRF52 dev board