+ version 0.1.17
+ replaced micros() with adaptive loopcount
+ removed DHTLIB_INVALID_VALUE (user should decide if value is usable)
+ more detailed errors per phase of handshake
+ added DHTLIB_ERROR_CONNECT
+ added DHTLIB_ERROR_ACK_L  DHTLIB_ERROR_ACK_H
+ added fix for pre 1.0 (not tested)