Geography search spec
Add URL to bad request errors
Reduce accuracy of stored locations to 2 decimals.

So basically, Cloudsearch doesn't support the size
of numbers I was generating. Oopsies. This fixes
that. This was a huge oversight and I feel shame.
Fix uint ranges in queries, tests
Geography Documentation
herp derp (fix version)
Merge pull request #16 from kaiuhl/geographic_queries

Geographic queries