Fix infinite recursion in Formatter#title
Scan to use search_issues replacing list_issues for later enhancements
Cosmetic change
Add debug option
Pbl formatter to select only issues with PBL label
Add plain Text formatter as default
List formatter to include issue comments
New command update_issues
Scan command to take --search option
Fill up PBL table with Story, Demo, and Cost
Debug option to boolean
Fix typo