message: Bumped v1.0.0-pre1
diff: {
  "name": "rocksdb",
  "description": "A Node.js RocksDB binding, a backend for LevelUP",
  - "version": "1.0.0-pre",
  + "version": "1.0.0-pre1",
  "contributors": [
  "Rod Vagg <r@va.gg> (https://github.com/rvagg)",
  "John Chesley <john@chesl.es> (https://github.com/chesles/)",
  