0.11.0

Changes

• Update ledger version BETA->B011 "Beta 0.11"
• Use the supplied database path without adding .data
• Reduce header length from 1024 to 256 bytes
• Add feature .watch(query, callback, recursive)
• Change lockfile name from path/to/db.lock to path/to/db-lock
• Change temporary name from path/to/db.tmp to path/to/db-tmp
• Allow all unicode letters and numbers in string key parts
• Add CHANGELOG.md
• Code cleanup

Full Changelog: 0.10.0...0.11.0