* 0.5.2
	- Move test fixture to unittest module	 
* 0.5.1
	- Simplify contract events
	- Split interfaces for mutable and immutable registries
* 0.4.x, 0.5.0
	- Update packaging to beta
	- Change licence to AGPL
* 0.3.6
	- Correctly implement writer interface in contract
	- Add contract json metadata in python package data
* 0.3.5
	- Remove contract compile warnings
* 0.3.4
	- Add time added entry
* 0.3.3
	- Rename cli script from deploy to publish
	- Refactor cli scripts to use current chainlib setup
	- Add activate and deactivate option
* 0.3.2
	- Add remove option
* 0.3.0
	- Upgrade deps
* 0.1.5
	- Add missing add_0x in writer cli

* 0.0.11
	- Add list cli command
* 0.0.10
	- Implement external signer
	- Standardize cli arg flags
	- Rename entry point executable names in setup
* 0.0.9
	- Fix wrong abi path in registry.py
* 0.0.8
	- Add executable to add writers and addresses after deploy
* 0.0.7
	- Rename contracts-dir flag to abi-dir
	- Use package data dir as default abi dir
* 0.0.6
	* Add owner flag to deploy script
* 0.0.5
	* Rename solidity file, add return values from evm functions
* 0.0.4
	* Update dependency versions
* 0.0.3
	* Move deploy script to within setup
* 0.0.2
	* (unrecorded changes)
* 0.0.1
	* Simple solidity method wrapper