clean up of states, to support multiple searches/views, and this will at least work for back/forward in prod - I believe. Still needs defaults from prefs, AND, remove unneeded variables from template/* and set those default values based on prefs

TODO

@@ -1,6 +1,8 @@
 ## GENERAL
     * for below.. make Options( request )
         - remove all "Options()" that are not set by a user-choice in the F/E and just make sure new "Options" sets all defaults as needed
+        -- ALSO, preferences are different to app settings... allow prefs from "ddp" menu
+            -> it should allow default pagesize, default thumbsize, etc.
         -- viewlist can work out new view_eids server side, and pass them back as json data
             - can consider an optim-- new_view page makes calls to viewlist to ADD json data only, so only trigger a new "viewlist" if we dont have data for that part of the eids
 
@@ -8,6 +10,7 @@
         don't render_template instead do a redirect to a GET of the new, or list? for del...
             * need to catch "option changes" as POSTs to make them GETs somehow...
                 (search, files_ip POST change trigger issue)
+                -- I think it is the same URL being used issue? -- validate this in PROD only I think
 
             [DONE] files.py:@app.route("/view/<id>", methods=["POST"])
                 files.py:@app.route("/viewlist", methods=["POST"])