Wdc

Add
- export command

Fixed
- Tasks with no history do not cause error on info command

Changed
- Moved documentation to the wiki

Add
- amend command

Changed
- Work item tags are now sorted alphabetically

Fix
- list command does not throw error if no tasks have been recorder yet
- list command now shows the last state of the task and not the oldest one

Changed
- The error and warning output is now colored and texts changed

Add
- info command

Add
- calc command
- start command
- list command