Merge pull request #146 from nazmulpcc/master

Remove extra query to determine if record exists

update php version with 5.6, 7.0, 7.1 or higher

Fix talk class not found issue

Merge pull request #62 from imanghafoori1/patch-1

Update README.md

update readme

add laravel 5.4 compatibility and fix some bugs

make laravel 5.4 support

update readme for realtime messaging

fix messages pagination issue by using whereHas method

update readme