v2.0.0

Added

• Run test suite with TypeScript in addition to Node.js (@vweevers)
• Add UPGRADING.md (@vweevers)
• Add CHANGELOG.md (@vweevers)
• README: explain types and snapshot guarantees (@vweevers)
• README: add level badge (@ralphtheninja)
• README: add node version badge (@ralphtheninja)

Changed

• Update abstract-leveldown to 4.0.0 (@vweevers)
• Perform serialization through idiomatic _serializeKey and _serializeValue (@vweevers)
• Don't stringify anything except nullish values (@vweevers)
• Use Buffer.isBuffer() instead of AbstractLevelDOWN#isBuffer (@vweevers)
• README: update instantiation instructions for latest levelup (@kumavis)
• README: rename "database" to "store" (@ralphtheninja)
• README: simplify example and prefer ES6 (@vweevers)
• Configure Greenkeeper to ignore updates to @types/node (@ralphtheninja)

Fixed

• Don't clone Buffer in iterator (@vweevers)
• Stringify Buffer.from() argument in iterator (@vweevers)
• README: use SVG rather than PNG badge for Travis (@ralphtheninja)
• README: link to abstract-leveldown (@vweevers)
• README: normalize markdown headers (@ralphtheninja)
• README: fix license typos (@ralphtheninja)
• README: fix code example (@ralphtheninja)
• Rename iterator#_end to fix conflict with abstract-leveldown (@vweevers)
• Set zuul --concurrency to 1 to avoid hitting Sauce Labs limit (@vweevers)
• Test on Android 6.0 instead of latest (7.1) due to Sauce Labs issue (@vweevers)

Removed

• Remove global store (@vweevers)
• Remove skipping of falsy elements in MemDOWN#batch (@vweevers)
• Remove obsolete benchmarks (@vweevers)
• Remove obsolete testBuffer from test.js (@vweevers)
• Remove redundant testCommon parameter from most tests (@vweevers)
• Remove unnecessary rimraf replacement for Browserify (@vweevers)
• README: remove Greenkeeper badge (@ralphtheninja)