Merge pull request #16 from garnaat/master

Updating version number and adding changelog.

+CHANGELOG
+=========
+
+1.0.0
+-----
+
+* Updated for GA release of AWS Lambda.
+* Incompatible changes in available commands and in config file format.  Check
+  README for details.
+* Switched from botocore to boto3.
+* No longer using CloudFormation to create policies and roles.  Instead we
+  now use Managed policies and roles created with boto3.

-0.2.2
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+0.3.0
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