Version 2.1.0

What's Changed

• Remove protected #getLast method, only called once by @lpsinger in #30
• Do not attempt to put nonexistent item by @lpsinger in #32
• Switch to barebones DynamoDB document client by @lpsinger in #31
• Refactor test setup to scope resources to blocks that need them by @lpsinger in #33
• Delete items in batches for fewer requests by @lpsinger in #34
• Fix race condition between test and teardown by @lpsinger in #38
• Let dynamodb-local download DynamoDB jar itself by @lpsinger in #35
• Fix some bugs when there is no initial version by @lpsinger in #36

Full Changelog: v2.0.0...v2.1.0