General tidy. Add method to get file size. Populate file sizes in metadata using quota_bytes_used field in Resource class.
General tidy. Add method to get file size. Populate file sizes in metadata using quota_bytes_used field in Resource class.

babycaseny/gdrive-linux,jimlawton/gdrive-linux,jmfield2/gdrive-linux,jimlawton/gdrive-linux-googlecode