add asJson option (php-mod#67)

Getters added (php-mod#58) (php-mod#59)

Issue 46 (php-mod#55)

* CurlFile fix

This is not tested, but we are facing the same problem with CurlFile Uploads (php-mod#46) - This *should* do the trick.

* Update README.md

* cs fix

Use phpunit 5.7

fix php 5.3 compatibility break

Update Curl.php (php-mod#50)

PHP Doc cleanup (php-mod#47)

* PHP Doc cleanup

+ Remove boolean typo
+ Use boolean instead of bool for all phpdoc types
+ Fixed variable description
+ Removed symfony coding standard annotation.

* Update Curl.php

* Update Curl.php

add response header find key method. (php-mod#48)

Enable writing response directly to file (php-mod#45)

* Switch the reading of response headers to a dedicated function

* Add example of saving request response directly to file

* Add test for the  function

* Update array initialization format to support PHP < 5.4

Do not add the query symbol "?" to urls when the query is empty: DELE…

…TE,PATCH,PUT (php-mod#43)