Updated all requests to support URL arguments. Now leaves most of the validation to ES and the user reading ES' docs
Updated tests to work with the new support for URL arguments
Cleanup / comments
Remove obsolete import
Added another simple data type to QueryString
Fixed 'go vet' issue
added aggregations support
 added omit empty
Merge pull request #58 from nahap/master

Add Aggregations support for SearchResult
Added tests for QueryString
Fixed the remainder of compatability issues after the introduction of query URL args
Update README.md
Merge branch 'add_query_parameters'