netrivet -> downshift (#6)

Merge pull request #5 from jaredh159/feature/moar-verbs

support more http verbs

Merge pull request #4 from jaredh159/feature/pass-params-to-post-json

allow passing extra params like timeout to Request::postJson()

Merge pull request #3 from jaredh159/feature/pass-body-as-array

allow passing body as array for json

Merge pull request #2 from jaredh159/feature/remove-bom

remove UTF8 BOM before json_decode

Merge pull request #1 from jaredh159/extract-interfaces

extract interfaces for Request and Response

add travis build status badge

update readme

add Response::isJson() method

return empty array for ->json() with empty body