nullIssue = Issue { _issueKey = ""
                  , _issueURI = ""
                  , _issueFields = HashMap.empty
                  }
nullIssue = Issue { _issueKey = ""
                  , _issueURI = ""
                  , _issueFields = HashMap.empty
                  }
nullIssue = Issue { _issueKey = ""
                  , _issueURI = ""
                  , _issueFields = HashMap.empty
                  }