Fixing #4

Adding more information to the log messages to indicate that they come from gridfs-storage-engine.

Extended the callback argument and general fixes by MCeddy

Merge pull request #1 from MCeddy/added_dependencies
Merge pull request #2 from MCeddy/fixed_documentation
Merge pull request #3 from MCeddy/extend_callback_argument

Adding URL to mongoDB and improving exception handling

Adding URL to mongoDB and improving exception handling.

Exposing the connectToMongoDB method for retrials.

Fixing missing function bug

Fixing bug. I forgot to add a function for the handling a connection error.

0.2.0

Adding support for multiple files

0.1.1

release 0.1.1

modified the readme

0.1.0

released version 0.1.0