update version to reflect breaking change to API
[tool.poetry]
name = "splink"
-version = "0.1.7"
+version = "0.2.0"
description = "[Beta]: Implementation in Apache Spark of the EM algorithm to estimate parameters of Fellegi-Sunter's canonical model of record linkage."
authors = ["Robin Linacre <robinlinacre@hotmail.com>", "Sam Lindsay", "Theodore Manassis"]
license = "MIT"
