Release v2.3

CARBON VERSION v2.3

Release v2.2

CARBON VERSION v2.2

v2.0

slash notation for pair (breaking); disabled curves; remove aliases; order book functions and marginal price routing in CarbonOrderUI

v1.3

more order books, alpha router, thresholds; demo 3-2 and 4-1

v1.2

Initial pypi and GitHub release.