Fixed error on 'nil' options being passed from Rails

lib/active_support/cache/mongo_store.rb

@@ -31,22 +31,22 @@ def initialize(collection = nil, db_name = nil)
       # Inserts the value into the cache collection or updates the existing value.  The value must be a valid
       # MongoDB type.  An *:expires_in* option may be provided, as with MemCacheStore.  If one is _not_ 
       # provided, a default expiration of 1 year is used.
-      def write(key, value, options={})
+      def write(key, value, options=nil)
         super
-        expires = Time.now + (options[:expires_in] || 1.year)
+        expires = Time.now + ((options && options[:expires_in]) || 1.year)
         collection.update({'key' => key}, {'$set' => {'value' => value, 'expires' => expires}}, :upsert => true)
       end
 
       # Reads the value from the cache collection.
-      def read(key, options={})
+      def read(key, options=nil)
         super
         if doc = collection.find_one('key' => key, 'expires' => {'$gt' => Time.now})
           doc['value']
         end
       end
 
       # Takes the specified value out of the collection.
-      def delete(key, options={})
+      def delete(key, options=nil)
         super
         collection.remove({'key' => key})
       end

mongo_store.gemspec

@@ -5,7 +5,7 @@
 
 Gem::Specification.new do |s|
   s.name = %q{mongo_store}
-  s.version = "0.1.1"
+  s.version = "0.1.2"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Stephen Eley"]
@@ -23,7 +23,9 @@ Gem::Specification.new do |s|
      "README.rdoc",
      "Rakefile",
      "VERSION",
+     "lib/active_support/cache/mongo_store.rb",
      "lib/mongo_store.rb",
+     "mongo_store.gemspec",
      "spec/mongo_store_spec.rb",
      "spec/spec.opts",
      "spec/spec_helper.rb"