Upgrade to spinejs 1.3.2.

app/assets/javascripts/app/lib/spine/relation.coffee

@@ -1,6 +1,5 @@
 Spine   = @Spine or require('spine')
 isArray = Spine.isArray
-require = @require or ((value) -> eval(value))
 
 class Collection extends Spine.Module
   constructor: (options = {}) ->
@@ -111,8 +110,14 @@ underscore = (str) ->
      .replace(/-/g, '_')
      .toLowerCase()
 
+requireModel = (model) ->
+  if typeof model is 'string'
+    require?(model) or eval(model)
+  else
+    model
+
 association = (name, model, record, fkey, Ctor) ->
-  model = require(model) if typeof model is 'string'
+  model = requireModel(model) if typeof model is 'string'
   new Ctor(name: name, model: model, record: record, fkey: fkey)
 
 Spine.Model.extend

app/assets/javascripts/app/lib/spine/route.coffee

@@ -71,6 +71,9 @@ class Route extends Spine.Module
     @change()
 
   @unbind: ->
+    unbindResult = Spine.Events.unbind.apply this, arguments
+    return unbindResult if arguments.length > 0
+
     return if @options.shim
 
     if @history
@@ -80,33 +83,30 @@ class Route extends Spine.Module
 
   @navigate: (args...) ->
     options = {}
-
     lastArg = args[args.length - 1]
     if typeof lastArg is 'object'
       options = args.pop()
     else if typeof lastArg is 'boolean'
       options.trigger = args.pop()
-
     options = $.extend({}, @options, options)
 
     path = args.join('/')
     return if @path is path
     @path = path
 
-    @trigger('navigate', @path)
+    if options.trigger
+      @trigger('navigate', @path)
+      routes = @matchRoutes(@path, options)
+      unless routes.length
+        if typeof options.redirect is 'function'
+          return options.redirect.apply this, [@path, options]
+        else
+          if options.redirect is true
+            @redirect(@path)
 
-    routes = @matchRoutes(@path, options) if options.trigger
-
-    return if options.shim
-
-    unless routes.length
-      if typeof options.redirect is 'function'
-        return options.redirect.apply this, [@path, options]
-      else
-        if options.redirect is true
-          @redirect(@path)
-
-    if @history and options.replace
+    if options.shim
+      true
+    else if @history and options.replace
       history.replaceState({}, document.title, @path)
     else if @history
       history.pushState({}, document.title, @path)

app/assets/javascripts/app/lib/spine/spine.coffee

@@ -149,13 +149,14 @@ class Model extends Module
   @toString: -> "#{@className}(#{@attributes.join(", ")})"
 
   @find: (id, notFound = @notFound) ->
-    record = @irecords[id]?.clone()
-    return record or notFound?(id)
+    @irecords[id]?.clone() or notFound?(id)
 
-  @notFound: (id) -> return null
+  @findAll: (ids, notFound) ->
+    (@find(id) for id in ids when @find(id, notFound))
 
-  @exists: (id) ->
-    return if @irecords[id] then true else false
+  @notFound: (id) -> null
+
+  @exists: (id) -> Boolean @irecords[id]
 
   @addRecord: (record, options = {}) ->
     if record.id and @irecords[record.id]
@@ -321,8 +322,8 @@ class Model extends Module
     result
 
   eql: (rec) ->
-    !!(rec and rec.constructor is @constructor and
-        ((rec.cid is @cid) or (rec.id and rec.id is @id)))
+    rec and rec.constructor is @constructor and
+      ((rec.cid is @cid) or (rec.id and rec.id is @id))
 
   save: (options = {}) ->
     unless options.validate is false
@@ -634,7 +635,7 @@ makeArray = (args) ->
 Spine = @Spine   = {}
 module?.exports  = Spine
 
-Spine.version    = '1.3.1'
+Spine.version    = '1.3.2'
 Spine.isArray    = isArray
 Spine.isBlank    = isBlank
 Spine.$          = $