set encoding in readFile to get string instead of buffer
set encoding in readFile to get string instead of buffer

gradus/coffeecup,mizchi/coffeecup,mizchi/coffeecup,gradus/coffeecup,mizchi/coffeecup,mauricemach/coffeekup,mizchi/coffeecup,mauricemach/coffeekup,gradus/coffeecup