update
@done updates and tagging features

- `doing done` without argument tags last entry done
- `doing done -a` archives them
- `doing finish` or `doing finish X` marks last X entries done
- `doing finish -a` archives them
- `doing tag tag1 [tag2]` tags last entry or `-c X` entrieses
- custom views can include `tags` and `tags_bool`
- tags: space separated list of tags to filter the results by
- tags_bool: AND (all tags must exist) or OR (any tag exists)
Error handling for empty view config vars, 'All' option for section key
README update, fix error in section All
Expanding config flags to handle apps on OS X
Age, order and tag filtering options for show command
doing show can take an @ tag as only argument
Add fuzzy section guessing when commands call for it
Version bump for 0.2.0 testing branch
fuzzy guessing for view names
--back option for commands that add tasks to backdate start time

Uses chronic to accept natural language, as well as 5m, 10m, etc.
Also added "did you mean" for guessing show and view options
Adding output to CSV option for show command
Adding csv output to view command
Updating documentation
fix for non-alphanumeric characters in section titles
add fuzzy section matching to everything
fixes for fuzzy section/view matching
updating readme
Adding tags_color to views as an experiment
version bump