Add validation to hashed_exists

#15 Create Validation Hashed Exist (#19)

* Create Validation Hashed Exist

* Apply fixes from StyleCI (#18)

Co-authored-by: Emad Rashdan <erashdan@users.noreply.github.com>

* Update readme.md

Co-authored-by: Emad Rashdan <erashdan@users.noreply.github.com>

Support laravel 7

#11 upgrade to laravel 7 (#12)

* #11 upgrade to laravel 7

* #11 Fix code styling

Support laravel 6

Hashid now support laravel 6

1.0.2

Integrate travis #1 (#7)

* Integrate travis

* Integrate travis

Integrate travis #1

* Update readme.md

Update readme.md by adding build status

* Apply fixes from StyleCI (#6)

1.0.1

Fix composer.json to add laravel5.5 support

1.0.0

First init