insert with write-concern
some bson encoding optimizations

makes some tests about 10% faster
Write Concern implementation
Merge pull request #38 from mcuadros/write-concern

Write concern
Merge pull request #37 from Pomyk/bson_opt

some bson encoding optimizations
MongoCursor::count() improments
MongoCursor::count() fix bug with Order/Hint
error handling and mongoid improves
Implemented MongoCollection::findAndModify
MongoCursor::info() (https://github.com/koubas/mongofill/issues/30)
Merge branch 'master' of git://github.com/koubas/mongofill

* 'master' of git://github.com/koubas/mongofill:
  error handling and mongoid improves
  MongoCursor::count() fix bug with Order/Hint
  MongoCursor::count() improments
fix behaviorMongoCursor::info()
Implemented MongoDB::execute()
Merge pull request #39 from adk123/master

Implemented MongoDB::execute()
timeout in all methods
merge MongoDb::execute
merge MongoCollection::findAndModify
remove socket_recv warning