Bump version to v0.3.0

Author: cffls

CHANGELOG.md

@@ -5,6 +5,25 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [0.3.0] - 2022-03-21
+
+### Added
+
+- Incorporate change split logic [#7](https://github.com/cffls/pycardano/pull/7).
+- Plutus
+  - Datum support for transaction inputs and transaction outputs.
+  - New function `add_script_input` in tx builder to support spending of Plutus script input.
+  - Add collateral to tx builder for script transaction.
+  - Add `plutus_script_hash` that calculates the hash of a Plutus script.
+  - Include script execution steps and memory into fee calculation.
+- Add `build_and_sign` to tx builder.
+
+### Changed
+
+- Remove positional argument `index` from Redeemer's constructor. 
+
+
+
 ## [0.2.0] - 2022-03-13
 
 This release added essential features for Plutus script interactions.

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pycardano"
-version = "0.2.0"
+version = "0.3.0"
 classifiers = [
     "Intended Audience :: Developers",
     "License :: OSI Approved :: MIT License",