More sort routes

flow of control through controller

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+
+* Scheme of things:
+
+main:
+#
+# Initial entry - route is "/<whatever>"
+#
+set initial panel
+for initial panel:
+	load up _data hash with DB fields
+	load up stash with pointer(s) to control fields hash(= get-))
+		and a pointer to the prefix_data hash
+render initial panel
+
+do_update:
+#
+# Return after submit pushed on panel (this is a post) - route is "/<whatever>u"
+# parameters in the params hash.
+#
+load up all params into prefix_data hash:
+By panel (series of if statements - only one executed):
+		call validate-PANEL() - return ret = ok or error message
+			
+if validation not ok:
+	render back to current panel with error message in stash
+otherwise:
+	By panel (series of if statements - only one executed):
+		Copy back to DB all relevant params (is this just the DB params for this panel?)
+		do whatever is required: call perform-PANEL() - return "ok" or Error Message
+			call signal-event for any global actions specified (check it exists - error and continue?)
+			if action smeserver-<whatever>-update exists
+				signal_event smeserver-<whatever>-update
+			call signal-event for any specific actions for thids panel (check it exists first - error and continue)
+		set success in stash
+		if no "nextpanel" entry:
+			set firstpanel
+		else 
+			set nextpanel
+		call render
+
+do_display:
+#
+# Return after link clicked in table (this is a get) - route is "/<whatever>d"
+# Expects ?trt=PANEL&selected="TableRowName" plus any other required
+#
+load up all supplied params into prefix_data hash
+call get-selected-PANEL() - returns hash of all relevent parameters
+load up returned hash into prefix_data
+render - to called panel
+
+
+