Fix assignee id parameter to change to empty #12
Fix typo
Fix comment
Add getSubissues methods
Add subtasking table
Move and rename BacklogQueryCellRenderer

- To IssueTableCellRenderer
Add renderer to IssueTable
Add the number of subtask
Add a freature to add a subtask
Merge pull request #14 from junichi11/subtasking

Subtasking
Add a feature to delete an attachment
Fix typo
Update version number to 0.0.5
Merge branch 'nb80'