v0.2.18

Android fixes:

• for testing IAP you can call purchase() with a flag to trigger an immediate consumption. that way you can purchase the same item again and again
• fixes for purchaseWithReceipt() call which now returns a correct Purchas object right after a successful purchase

v0.2.17

added purchase function that returns the Purchase object

v0.2.4 qstuff

InApp Subscriptions for Android:

• evaluate autorenewal flag and purchaseDate to verify if a subscription is active even if revoked by the user

v0.2.3 qstuff

extended the fork with a basic attempt to add support for subscriptions