Use FilesystemStream with buffer wrapper
Use FilesystemStream with buffer wrapper

- Add getStream() method
- Add setStream() method.
- Register buffer stream wrapper by default through getStream.

nooku/nooku-platform,nooku/nooku-platform,nooku/nooku-platform,nooku/nooku-platform,timble/kodekit-platform,nooku/nooku-platform,timble/kodekit-platform,timble/kodekit-platform,timble/kodekit-platform,timble/kodekit-platform