Beta 2
Create README.md
Update README.md
Update README.md
Update README.md
Update README.md
Create LICENSE
Update LICENSE
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Separate samples in different classes, fix problems in JSON in offers
remove async stuffs
fix offers, and add missed properties
finish filixing payments and clients, make them the same as java.
add fee, webhooks. finish testing offers
start testing webhoocks
add create, get for webhoocks