* Add a tool that automatically generates parts of a graphviz input from
an sql file
* Use that tool to generate bits of graphviz input from all the `create_` sql
files in `src/`
* Copy all those bits of graphviz input togeather to generate diagrams
for each table.
+ Added tags to stories
+ Added a view counter to stories
+ Added a very basic search by tag function
~ Modified imageboard parser so that blank lines are preserved
~ Raised the minimum cache time from 2 seconds to 20 seconds