Imports launchpad.net/goamz/s3 github.com/PeopleAdmin/pdfcombiner/fixtures launchpad.net/goamz/aws github.com/PeopleAdmin/pdfcombiner/cpdf github.com/PeopleAdmin/pdfcombiner/testmode Standard library imports compress/zlib crypto/sha1 bufio bytes encoding/base64 encoding/hex encoding/json errors fmt io io/ioutil log os regexp sort strconv strings time