Merge pull request Ph3nol#173 from samnela/change-psr-autoloader

Moved to psr-4

fix build

Merge pull request Ph3nol#162 from Ph3nol/157-fix

Ph3nol#157 fix

Merge pull request Ph3nol#160 from hanialaraj/master

Assign returned new opened client to the in-scope/in-use  variable

fix Ph3nol#157

fix travis build for php 5.6

improve usability, collection and add tests

Merge branch 'wshurafa-feature/add-exipre-support-to-apn-push'

Merge branch 'theluk-master'

fix readme