Tests that need to be written:

  - Search tests
	- Performance test [DONE?]
	- from:, to:, etc..
	- Keywords
  - Indexing tests
	- Make sure indexing works [DONE]
	- Feed in badly formatted mail
	- Different text encodings
  - Tagging tests
	- Add tag
	- Tag mail
	- Untag mail
  - Filtering tests
	- Add
	- Filter
	- Delete
  - HTTP server
	- ...
  - ...
