Removed catch(...)
Fixes #328
Fixes #330
Merge pull request #334 from angathorion/deadline-time-show-fix

Deadline time bug: Fixes #328
Merge pull request #331 from angathorion/catch-remove

Removed catch(...)
Merge pull request #336 from angathorion/drag-and-drop-quotes

Single quotes for attachments
Implemented expansion of subtasks on addition