Edit can now change issue type
Now possible to create sub-task type issues

Note that you can edit these too, but you cannot convert a regular type
to a sub-task type due to limitations in the rest API.  See:
https://jira.atlassian.com/browse/JRA-27893
Status shows resolution if set
Display parent issue when issue is a sub-task
Display row count after tabular display
Added comment about issue moving
Single issue table view now shows subtasks
Fixing status (resolution) display to not show (<none>)
Support viewing issue links
Move comments to the end of the output
Create issue links
Delete issue links
Update README
Get issue by id/key no longer uses JQL
Display attachments if present
Fix table border
Create attachments
Rename delete_link command for consistency
Delete attachments
Download Attachments