updated crash version to 0.9.4
always use HTTP for S3 auth
unwrap ExecutionException to improve error reporting

e.g. instead of

    SQLActionException[Failed execution]

the user will now get

    SQLActionException[com.amazonaws.services.s3.model.AmazonS3Exception:
    Status Code: 403, AWS Service: Amazon S3, AWS Request ID:
    6F27AB0AB5FE3155, AWS Error Code: SignatureDoesNotMatch ...
prepare release 0.36.5
improve error handling for AWS s3.
prepare release 0.36.6
fix count(*) on empty partitioned tables

Conflicts:
	CHANGES.txt
allow single character blob table names
allow aliased subscript expressions