Imports github.com/PuerkitoBio/goquery github.com/astaxie/beego github.com/astaxie/beego/httplib github.com/bitly/go-simplejson Standard library imports bytes crypto/md5 crypto/rand crypto/sha256 crypto/sha512 encoding/base64 encoding/gob encoding/hex errors fmt html/template io io/ioutil math/rand os path/filepath strconv strings sync time