optimized getting random story from server, and working on being able to add images and choices to chapters without first saving chapter
should now be able to add choices and images without first saving chapter
added new tests in server manager tests
can now add images and choices without having saved chapter. Also, fixed bug where images weren't showing after you took a photo or added an illustration
can now delete illustraions, although must refresh to see changes
fixed whole bunch of bugs dealing with saving choices and images, can now add choices and images to a chapter that hasn't been saved yet, can now delete illustrations, and all changes are shown immediately without having to refresh