Fix ajax cache buster to modify the url before opening

A previous bugfix required opening the request earlier, but accidentally
neglected to move up url modification as well.
Bump version to v0.3.4
Add initial simply menu
Add simply menu section and menu item
Add util string with strdup2
Change simply ui set text to use strdup2
Add util list1 for singly linked lists
Add simply menu section and item display functionality
Add menu select click events
Add menu request exponential backoff
Change simply menu window to not destroy on unload
Add max cache menu nodes enforcement
Add util list1 prepend, append, remove
Change simply menu sections and items cache to LRU
Add simply menu to show the menu, change menu api to use index params
Rename menu select click to menu select
Add type and subtype to events
Add simply stateful menu api
Change simply ui set text to show the main ui
Add simply menu exit event