#6 wrap try-catch block in a while loop to give user another chance to try instead of recursive call to the method
update doc
Add while loop to handle invalid saving path
Merge branch 'master' of https://github.com/WesleyyC/ImageEditor
Revert "#6 wrap try-catch block in a while loop to give user another chance to try instead of recursive call to the method"

This reverts commit 5eaa71cd35202b05165e04bf32131b34c81a84f8.