adds limit parameter, request is json

adds offset

adds offset

adds offset
query method receives an object
Merge pull request #38 from amenadiel/json_request

Adds limit & offset. Changes dataType to json on query request
added iframe template
updated readme with iframe instructions
updated readme markup for iframe template
added screenshot, using container-fluid, readme updates
Update README.md
Merge pull request #39 from derekeder/iframe-template

WIP iframe template