Underwriter is a minimalistic notes organization program. It utilizes
text files (cards) that can be tagged. Cards can link to other cards
using a title instead of a filename, and multiple titles can refer to
a single file, like a wiki.

TODO
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* Transclusion parsing
* caching queries (globs, tag literals, etc.)
* Rewrite it (in another language?) if speed is an issue
* Add untag_all command
* optimize some sql statements
* Redirects?
* Globs for untagging
* Confirmation for untagging
* Confirmation for overwriting blobs and filenames