Extract request object

[tangrufus]

• Extract request object while keeping backward compatibility.
• Lock phpunit version below 6

Usage:

namespace Cloudflare;

$api = new Api();
$request = new Request();
$api->setRequest($request);

[coveralls]

Coverage increased (+8.007%) to 11.349% when pulling bd3209cdf2e7d4b675fb4921f33090d4aa441522 on TangRufus:extract-request-object into 5e38c90e331f424a8f7ddeef688dc70e26547e44 on jamesryanbell:master.

[coveralls]

Coverage increased (+8.007%) to 11.349% when pulling bd3209cdf2e7d4b675fb4921f33090d4aa441522 on TangRufus:extract-request-object into 5e38c90e331f424a8f7ddeef688dc70e26547e44 on jamesryanbell:master.

[coveralls]

Coverage increased (+8.007%) to 11.349% when pulling bd3209cdf2e7d4b675fb4921f33090d4aa441522 on TangRufus:extract-request-object into 5e38c90e331f424a8f7ddeef688dc70e26547e44 on jamesryanbell:master.

[tangrufus]

Style fixed and added php 7.1 to Travis matrix

[coveralls]

Coverage increased (+10.3%) to 13.614% when pulling 46c0c765fcc9ab46fc26dc26c469896e607e5e8c on TangRufus:extract-request-object into 5e38c90e331f424a8f7ddeef688dc70e26547e44 on jamesryanbell:master.

[coveralls]

Coverage increased (+8.007%) to 11.349% when pulling 138fec7e6ff48770522a9b2c1ebc7640cde38b78 on TangRufus:extract-request-object into 5e38c90e331f424a8f7ddeef688dc70e26547e44 on jamesryanbell:master.