return NextMarker in ListResp
Added 1.3.3 to the go versions for Travis ci
Merge pull request #240 from kjk/better-list

return NextMarker in ListResp
Add ListTables iterator
Revert "Update to V4 signing for SNS"
403 error occurs if the space is included in the message, etc.

This reverts commit a22710cac959fb422b341a59b7666215c87a4ac7.
Merge pull request #241 from masahide/add-ListTablesIterator

Add Dynamodb ListTables iterator
Merge pull request #242 from masahide/workaround-escape-space

Workaround V4 Signing problem