Added ability to specify a comment text in creating a worklog item.
Added ability to specify a comment text in creating a worklog item.

kinow/jira,dbaxa/jira,akosiaris/jira,dwmarshall/pycontribs-jira,milo-minderbinder/jira,tsarnowski/jira-python,pycontribs/jira,dwmarshall/pycontribs-jira,m42e/jira,coddingtonbear/jira,pycontribs/jira,coddingtonbear/jira,awurster/jira,jameskeane/jira-python,stevencarey/jira,m42e/jira,awurster/jira,VikingDen/jira,VikingDen/jira,stevencarey/jira,kinow/jira,tsarnowski/jira-python,milo-minderbinder/jira,akosiaris/jira,rayyen/jira,systemadev/jira-python,dbaxa/jira,jameskeane/jira-python,systemadev/jira-python,rayyen/jira