Minor fixes

Merge pull request #35 from showerst/master

Upgrade dependency file for elasticsearch 2.0

V1.7.4

Merge pull request #32 from mhh1422/master

Remove query support in filter contest

V1.7.3

Merge pull request #31 from mhh1422/master

Update the README and package title

V1.7.2

Minor modifications to the README

V1.7.1

Merge pull request #27 from mhh1422/master

Fix an issue with the range query builder

V1.7.0 Query builder is there

A query builder class has been added.
It will make building complex queries a really simple process.
Check the README.md for details.

V1.6.4

Enhance the type query trait.

v1.6.3

Merge index and create

v1.6.2 restruct the index/create apis

Merge pull request #23 from mhh1422/master

elastic index method

v1.6.1

Merge pull request #23 from mhh1422/master

elastic index method