v2.5.1

strip slashes for SMS text

v2.5.0

add VoiceParams.debug

v2.2.1

sms: fixed ttl validation and added foreign_id validation

v2.2.0

added endpoint journal

v2.1.0

added endpoint webhooks

2.0

v2: updated to php7.3

1.3.0

added endpoint analytics

1.2.1

added phpdoc blocks & some utilities

1.2.0

refactored some constants for outer access and done some cleanup

1.1.0

added some constants & downgraded PHPUnit to match PHP version