Added a favicon, so important!

Fixes #71
Add constraint to wai-middleware-static
Fix Content-Location header when there are no params

Fixes #68
Merge pull request #81 from begriffs/content-location

Fix Content-Location header when there are no params
Merge pull request #79 from begriffs/favicon

Added a favicon, so important!
All tests passing, none pending

Standardize the order of enum value lists
Merge pull request #82 from begriffs/no-pending

All tests passing, none pending
Issue 404 for nonexistent tables

Fixes #44
Merge pull request #83 from begriffs/404

Issue 404 for nonexistent tables
Indicate input json parse error with better message

Fixes #42
Merge branch 'json-parse'
broken attempts to work on concurrency
App has database pools!