Updated HMDA dataset to build multiple versions, keep correct order
Add Drakefile for manipulating HMDA data
Converted HMDA data manipulation completely to Drake
More HMDA lookups
Converted to use Drakefile
Two-step data loading: tables, then slices
Added agent error handling for table loading
Run Drakefile if it exists on load
Removed "cleaned" version of HMDA in expectation of future development
Added consumer complaint database

* Still need to add dates as a type
* Fixed really tricky bug with false in WHERE queries
Only load integration_test dataset in testing
Prevent non-existent Drakefiles from throwing errors
Fix all tests to work with just integration-test dataset
Merge branch 'hmda' into consumer_complaint
Support boolean fields in slices
Aggregations can be lower-case or upper-case (but not mixed case)
Aggregations are now wholly case-insensitive
Merge pull request #31 from cndreisbach/hmda

Load HMDA data
Merge pull request #33 from cndreisbach/consumer_complaint

Add consumer complaint data to datasets
Merge pull request #34 from cndreisbach/issue-32-lowercase-aggregation

Aggregations are now case-insensitive