Merge pull request #13 from jamesryanbell/master

rec_edit incorrect key
Changed "piro" to proper field name "prio"

Should fix problem where the priority was not being updated. As per http://www.cloudflare.com/docs/client-api.html, the name of the priority field should be "prio".
Merge pull request #14 from GigabyteIO/master

Changed "piro" to proper field name "prio"
Coding style fixes
Merge pull request #15 from GrahamCampbell/psr-2

Coding style fixes
Update class_cloudflare.php
composer support
Merge pull request #16 from thedotedge/master

Composer support
not a constant but class constant
Merge pull request #17 from johnnyrun/master

not a constant but class constant
Map cloudflare class for use with autoload
Merge pull request #18 from bozboz/master

Map cloudflare class for use with autoload
add zone_list function
Merge pull request #20 from acenet/patch-3

add zone_list function