Bug: Always fetch effective mod version

src/scripts/controllers/mod_page_controller.coffee

@@ -86,6 +86,8 @@ module.exports = class ModPageController extends BaseController
 
         modVersion = @model.activeModVersion
         modVersion ?= @model.getModVersion Mod.Version.Latest
+        modVersion.fetch()
+
         return modVersion
 
     _refreshHomePageLink: ->

src/scripts/models/mod.coffee

@@ -111,7 +111,7 @@ module.exports = class Mod extends BaseModel
 
     getModVersion: (version)->
         return null if version is Mod.Version.None
-        return @_modVersions[@_modVersions.length-1] if version is Mod.Version.Latest
+        return @_modVersions[0] if version is Mod.Version.Latest
 
         for modVersion in @_modVersions
             return modVersion if modVersion.version is version