added bulk_load macro

lib/couchrest/core/database.rb

@@ -44,6 +44,11 @@ module CouchRest
       end
     end
   
+    # load a set of documents by passing an array of ids
+    def get_bulk(ids)
+      documents(:keys => ids, :include_docs => true)
+    end
+  
     # POST a temporary view function to CouchDB for querying. This is not
     # recommended, as you don't get any performance benefit from CouchDB's
     # materialized views. Can be quite slow on large databases.

spec/couchrest/core/database_spec.rb

@@ -599,6 +599,11 @@ describe CouchRest::Database do
       ds = @db.documents(:startkey => 'doc0', :endkey => 'doc3', :include_docs => true)
       ds['rows'][0]['doc']['another'].should == "doc"
     end
+    it "should have the bulk_load macro" do
+      rs = @db.bulk_load ["doc0", "doc7"]
+      rs['rows'].length.should == 2
+      ds['rows'][0]['doc']['another'].should == "doc"
+    end
   end