v1.6.3

Support new whmcs version 7.7.1

v1.6.2

Update module to implement Cancellation API

v1.6.1

Merge branch 'pw-master'

v1.6.0

Change the logic of finding invoice

v1.5.9

Fix recurring payment notification handler

v1.5.8

Support saving card feature

v1.5.7

Implement user check for old pingback notification

v1.5.6

Fix the bug of calling undefined function for WHMCS 7.3 onwards

v1.5.5

• Add support for WHMCS 7.3
• Fix issue when products are auto-created after orders are processing

v1.5.4

• Add support for Mass Pay and Split invoice
• Add invoice ID and product type into pingback params