adds bson_ext as bundler dev dep

Gemfile

@@ -6,6 +6,7 @@ group :development do
   gem "jeweler"
   gem "mongo"
   gem "mongo_ext"
+  gem "bson_ext"
   gem "mongo_mapper"
   gem "datamapper"
   gem "couch_potato"

Gemfile.lock

@@ -0,0 +1,145 @@
+--- 
+specs: 
+- rake: 
+    version: 0.8.7
+- activesupport: 
+    version: 2.3.8
+- activerecord: 
+    version: 2.3.8
+- addressable: 
+    version: 2.1.2
+- bson: 
+    version: "1.0"
+- bson_ext: 
+    version: 1.0.1
+- builder: 
+    version: 2.1.2
+- columnize: 
+    version: 0.3.1
+- mime-types: 
+    version: "1.16"
+- rest-client: 
+    version: 1.5.1
+- couchrest: 
+    version: "0.37"
+- json: 
+    version: 1.4.3
+- couch_potato: 
+    version: 0.2.31
+- diff-lcs: 
+    version: 1.1.2
+- trollop: 
+    version: 1.16.2
+- gherkin: 
+    version: 1.0.30
+- json_pure: 
+    version: 1.4.3
+- term-ansicolor: 
+    version: 1.0.5
+- cucumber: 
+    version: 0.7.3
+- extlib: 
+    version: 0.9.15
+- dm-core: 
+    version: 0.10.1
+- dm-aggregates: 
+    version: 0.10.1
+- dm-constraints: 
+    version: 0.10.1
+- dm-migrations: 
+    version: 0.10.1
+- dm-serializer: 
+    version: 0.10.1
+- dm-timestamps: 
+    version: 0.10.1
+- dm-types: 
+    version: 0.10.1
+- dm-validations: 
+    version: 0.10.1
+- datamapper: 
+    version: 0.10.1
+- gemcutter: 
+    version: 0.5.0
+- git: 
+    version: 1.2.5
+- rubyforge: 
+    version: 2.0.4
+- jeweler: 
+    version: 1.4.0
+- jnunemaker-validatable: 
+    version: 1.8.4
+- linecache: 
+    version: "0.43"
+- mongo: 
+    version: "1.0"
+- mongo_ext: 
+    version: 0.19.3
+- plucky: 
+    version: 0.1.1
+- mongo_mapper: 
+    version: 0.7.6
+- mysql: 
+    version: 2.8.1
+- rspec: 
+    version: 1.3.0
+- ruby-debug-base: 
+    version: 0.10.3
+- ruby-debug: 
+    version: 0.10.3
+hash: f2c77e94ff3c3ceb3ffc6a4c42f63e9eff224246
+sources: 
+- Rubygems: 
+    uri: http://rubygems.org
+dependencies: 
+  ruby-debug: 
+    version: ">= 0"
+    group: 
+    - :development
+  datamapper: 
+    version: ">= 0"
+    group: 
+    - :development
+  bson_ext: 
+    version: ">= 0"
+    group: 
+    - :development
+  mongo_ext: 
+    version: ">= 0"
+    group: 
+    - :development
+  activerecord: 
+    version: ">= 0"
+    group: 
+    - :development
+  mongo_mapper: 
+    version: ">= 0"
+    group: 
+    - :development
+  mysql: 
+    version: ">= 0"
+    group: 
+    - :development
+  rspec: 
+    version: = 1.3.0
+    group: 
+    - :development
+  couch_potato: 
+    version: ">= 0"
+    group: 
+    - :development
+  rake: 
+    version: ">= 0"
+    group: 
+    - :development
+  mongo: 
+    version: ">= 0"
+    group: 
+    - :development
+  jeweler: 
+    version: ">= 0"
+    group: 
+    - :development
+  cucumber: 
+    version: ">= 0"
+    group: 
+    - :development