Modify configuration file .travis.yml, to add credentials for webdav, amazon s3, and google storage
Add feature directory metadata prefetching for fast directory listing
Add interface BulkGetMetadata with method get_bulk_metadata
Modify class ConfigurablePyFuseBox, to use classes BulkGetMetadataGoogleStore, and BulkGetMetadataAmazonStore instead of their superclasses
Modify class MetadataCachingStore, to prefetch directory metadata if a file in this directory is accessed
Add subclass BulkGetMetadataGoogleStore of class GoogleStore, to implement interface BulkGetMetadata
Add subclass BulkGetMetadataAmazonStore of class AmazonStore, to implement interface BulkGetMetadata
Bugfix class DropboxStore, to wrap instances of RESTSocketError, which otherwise cause problems for pickling in multiprocess logging, maybe because they do not have a default constructor
Update CHANGELOG with new version
Update setup.py with new version
Modify setup.py, to fix dependency conflict between boto and gsutil
Remove tests from third party module parsedatetime, otherwise they fail on travis ci