2.0.0: bumped to php 8.1

added ajax validation reload if wrong

1.4.2

added possibility to override clientOptions

1.4.1

fixed random hex generation

1.4.0

bumped to php 7.3

1.3.6: prevent direct access to captcha script

prevent access to captcha script if referrer does not match to host

1.3.5

removed client validator (don't works well)

1.3.4

updated visual captcha asset (followed base logic)

1.3.3

added client validator to `VisualCaptchaValidator`

1.3.2

updated base version constraint

1.3.1

updated base version constraint