v0.4

• Adds support for the 'refer' parameter
• Adds support for guzzle v7.4

v0.3

• Adds optional phone number validation

Invalid, foreign and landline numbers will not pass the validation.

v0.2

• Fixes namespaces.
• Fixes request body in send, getBalance and fetch methods.
• Updates API URL and endpoints.

v0.1

First working version.