Adding --repository check option to doctor command.

* --repository checks to see if any of the entries are missing in
phyiscal storage.
* I've improved the io.print_errors function by also requiring that
defective records be sorted before they are printed.
* Renamed --exists option to --records to make it more in-line with
--repository.
Updated usage pattern to include --repository.
Adding my email to the license.
Remove .txt extension in CHANGELOG
Migrated future section to Github issues.
Updated TVM description in README.md
Renamed add command to generate #10
__version__ should of been imported from tvm/__init__.py
Adding the bare minimum for `ls <title>` #7.
Whoops. Python2.6 doesn't support dictionary comprehensions.
Adding season_status to tvcollection.
Made improvements on the tree output of ls <title> #7.
Adding cc (clear_cache) task to fabfile.
Repeating notifications are NO MORE! #14
Updated CHANGELOG. Incremented version to v0.1.1
Merge pull request #18 from davidvuong/development

Merge development into master. Updating to v0.1.1