v0.1.2

What's Changed

• Record and price the requests a client walks away from by @fylorn in #24
• Every request that starts reports how it ended by @fylorn in #25
• A stream that fails midway keeps the usage the upstream billed by @fylorn in #26
• Say why a request has no price, and mark estimates in sessions by @fylorn in #27

Full Changelog: v0.1.1...v0.1.2