Added the beginnings of key compression
Key compression works on load
Key compression works even better on load

* WHERE clauses in load work
* We actually store the data, as opposed to last commit (whoops)

We still do not have good tests around this stuff, which is not great.
Preliminary, not-for-prime-time search working with key decompression
Compress keys for indexing on load
Merge branch 'master' into key-compression
Merge conflict from master
Added key compression back into loader
Make sure indexes have keys compressed as well
Use shortest-prefix of MD5 digest of keys for shorter key names
Remove nils from data before storing it
Merge pull request #57 from cndreisbach/key-compression

Key compression
Added links to concepts from dataset resource
Added endpoints for getting information about concepts
Merge pull request #58 from cndreisbach/concept-endpoints

Concept endpoints
Revert the addition of liberator ring-response to not-found messages; it's causing responses to be sent with charset ISO-8859-1 instead of UTF-8. Need to investigate that further and then re-add ring-response
Merge pull request #59 from marcesher/master

Revert the addition of liberator ring-response to not-found messages; it...