- Upgrade to release 2.0.1
+ Fix null pointer dereference bug in zero cache.

- Upgrade to release 2.0.0
+ Support running as a Network Block Device (NBD) server (issue #178)
+ Fix slow write performance with large block sizes since 1.6.0 (issue ##185)
+ Disable MD5 cache by default now that Amazon S3 is consistent (issue #183)
+ Fix bug where "(null)" was appearing in usage message (issue #161)
+ Give more meaningful usage error when size limits are exceeded (issue #162)
+ Added flag "--http11" to restrict cURL to HTTP 1.1 (issue #168)
+ Clean up mount token if FUSE itself fails to start (issue #175)
+ Detect HTTP redirects and emit appropriate hint/warning (issue #174)
+ Added man page reference to Linux bcache (issue #169)
+ Added "--blockCacheFileAdvise" flag (pr #176)
+ Treat 3xx HTTP response codes as errors