Support laravel 5.8 (musonza#132)

update composer.json

Support laravel 5.8 (musonza#131)

The fire method (which was deprecated in Laravel 5.4) of the Illuminate/Events/Dispatcher class has been removed. You should use the dispatch method instead.

Update composer.json

Update composer.json

add ChatFacade to extra (musonza#126)

Added an extra orderBy in getConversationsList (musonza#124)

* Added an extra orderBy in getConversationsList

Basically, this means: Order by `'mc_conversations.updated_at' desc` but whenever there are duplicated values for update_at then order those values by `'mc_conversations.id' desc.

update readme

Fixing StyleCI

Fixes for some empty spaces

Change order of dropping tables

php artisan migrate:refresh returns error due to mc_conversations foreign key.

Update README.md