I was trying to read through some of it just now...
One thing to note your Timer Data is both in the timers section and in the FILE I/O section. There is no more FILE I/O data...
Take a look for yourself...
Timers and Interrupts
http://www.esp8266basic.com/timers-and-interrupts.html
FIle I/O
http://www.esp8266basic.com/file-io.html
Where I buy my ESP8266 boards from... (Banggood)