Laravel 8 Support

Add support for Laravel 8 thanks to #11
Add better autoloading support thanks to #10

Add Laravel 7 Support

Thanks @liran-co for PR #9 adding support for Laravel 7!
Related issue: #8

Add Laravel 6 Support

Thanks to @Unholny for the contribution via #7

Only support v5 of the Twilio SDK

Dropped support for v4 of the Twilio SDK and fix issue #5.

Lower minimum Laravel requirement to 5.0

Merge remote-tracking branch 'origin/master'

# Conflicts:
#	composer.json

Multiple Twilio versions allowed.

Merge pull request #4 from adnansiddiq/patch-2

twilio sdk depedency version update

Bumped Twilio SDK version

Thanks to @adnansiddiq for the contribution.

Allow publishing of config

Similar to what @OwenMelbz did for the laravel-kickbox-validator: stuyam/laravel-kickbox-validator#1

The Initial Release

1.0.0

Reordered some things