PricingFuture fixes (goldmansachs#232)

Bug fixes (goldmansachs#231)

release-0.9.17, batching logic, bug fixes (goldmansachs#230)

Small fixes (goldmansachs#229)

Small fixes (goldmansachs#229)

pushing version 0.9.13 (goldmansachs#228)

updated defns (goldmansachs#227)

fixes, base changes (goldmansachs#225)

release-0.9.8, serialisation improvements (goldmansachs#224)

release 0.9.7, serialisation fixes (goldmansachs#223)