Add Order and OrderBook
Make it a package
Add tests
Amount and value are int
Expand tests
Better imports
Add Order.__eq__
One import per line
Add OrderBook tests
Add PriorityOrderBook tests and refactor
Add $ to order repr
First matching module
Use logger instead of print
Add has_orders
Add a multiprocess market server
Move market server into market module
Explicit Error handling
Small refactor
Add missing value formatter
Rename to pymarket