Merge pull request #1 from jay-doubleyou/master

merge from original
adding que

to handle fast firing requests
removed que

que removed, write debounced and read file writes cache data,
all operations "create", "write", "delete" and "read" will only operate
on
cached data and on idle save to file
added filename to cache data
Merge pull request #4 from moszeed/master

fix for issue #1 "protect dropbox request against overtaking each other"