v1.0.1

Cherry picking fixes from v0.7.0 (OmniPay Commons 2 branch) to master:

• PayU orderId used for payment identification
• Notification processing: fixed typo in CANCELED state, added missing WAITING_FOR_CONFIRMATION state

v0.7.0

• PayU orderId used for payment identification
• Notification processing: fixed typo in CANCELED state, added missing WAITING_FOR_CONFIRMATION state

Released v1.0.0

• upgrade to omnipay 3 (#7), thanks @Lewiatan

Released v0.6.2

• Fix for Notification Message; reading notification signature from HTTP Header data

Released v0.6.1

Fix for Notification Message; warning on in_array invalid call

Released v0.6

• Added strict return type of string from transactionReference and transactionId

Released v0.5

• TransactionId and TransactionReference return correct values as omnipay suggests
• TransactionReference returns bank transaction ID

Released v0.4

• Updated omnipay/common to 2.5
• clarified TransactionReference method
• clarified Notification Statues to reflect result of requested operation (create purchase)
• purchase response returns isPending state of transaction - waiting for notification acceptance

Release v0.3.0

Accepting notifications from PayU

• accepts notifications
• provides isPending() response for payments in PENDING state
• refactored to be more omnipay - follows rules and basics

Released v0.2.0

• Fixed CreatePurchase to not follow redirects