Lib now passes all tests

Added back original startWrite function for when users want to use
manual methods. The library uses startFastWrite for its internal
functions. Provides compatibility with prev. code while still using the
new methods for everything else.

RF24.h

@@ -66,6 +66,22 @@ protected:
    */
   /**@{*/
 
+  /**
+   * Non-blocking write to the open writing pipe used for buffered writes
+   *
+   * @note Optimization: This function now leaves the CE pin high, so the radio
+   * will remain in TX or STANDBY-II Mode until a txStandBy() command is issued.
+   * This allows the chip to be used to its full potential in TX mode.
+   *
+   * @see writeFast()
+   * @see writeBlocking()
+   *
+   * @param buf Pointer to the data to be sent
+   * @param len Number of bytes to be sent
+   * @return True if the payload was delivered successfully false if not
+   */
+  void startFastWrite( const void* buf, uint8_t len );
+
   /**
    * Set chip select pin
    *
@@ -692,16 +708,16 @@ public:
    * Just like write(), but it returns immediately. To find out what happened
    * to the send, catch the IRQ and then call whatHappened().
    *
-   * @note Optimization: This function now leaves the CE pin high, so the radio
-   * will remain in TX or STANDBY-II Mode until a txStandBy() command is issued.
-   * This allows the chip to be used to its full potential in TX mode.
+   * @note Optimization: This function again behaves as it did previously.
+   * startFastWrite() has been moved to an internal function
    *
    * @see write()
+   * @see startFastWrite()
    * @see whatHappened()
    *
    * @param buf Pointer to the data to be sent
    * @param len Number of bytes to be sent
-   * @return True if the payload was delivered successfully false if not
+   *
    */
   void startWrite( const void* buf, uint8_t len );
 
@@ -934,6 +950,7 @@ public:
  *
  * @li Project blog:
  * @li <a href="http://TMRh20.blogspot.com"> TMRh20.blogspot.com </a>
+ * @li <a href="https://github.com/maniacbug/RF24"> ManiacBug on GitHub (Original Library Author)</a>
  */
 
 #endif // __RF24_H__