i have a Problem whit the Build, im use "Arduino 1.6.5 rc6" and the "ESP Toolchan V2.3.0" and "ESP Basic 2.0.Alpha 24" its compile brakes whit follow Error:
In file included from ESP8266Basic.ino:108:0:
.../Arduino/libraries/expression_parser_string/expression_parser_string.h:58:18: fatal error: String: No such file or directory
#include <String>
^
compilation terminated.
Sorry my Englisch is not so good.
mfg sandfrog