Make fetch a no-up if already loaded

src/scripts/controllers/mod_controller.coffee

@@ -37,11 +37,9 @@ module.exports = class ModController extends BaseController
     # BaseController Overrides #####################################################################
 
     onWillRender: ->
-        if not @model.isLoaded then @model.fetch()
+        @model.fetch()
         if @_storage? then @_storage.register "mod:#{@model.slug}", @model, 'activeVersion'
-
+        @model.on Event.change + ':activeModVersion', (mod, modVersion)=> modVersion.fetch()
-        @model.on Event.change + ':activeModVersion', (mod, modVersion)=>
-            if modVersion? and not modVersion.isLoaded then modVersion.fetch()
 
     onDidRender: ->
         @$enabled     = @$('td:nth-child(1) input')

src/scripts/models/base_model.coffee

@@ -53,7 +53,10 @@ module.exports = class BaseModel extends Backbone.Model
 
     # Backbone.Model Overrides #####################################################################
 
-    fetch: ->
+    fetch: (options={})->
+        options.force ?= false
+        return if (@isLoading or @isLoaded) and not options.force
+
         url = @url()
         logger.info "#{@constructor.name}.#{@cid} reading from url: #{url}"