Update changelog for 0.5.1

Fix examples and add a couple more tests

Bump tokio and associated dependencies to latest

Bump some versions off alpha and compiler off beta now that async/awa…

…it is stable

Add tests and docs and refine TCP proxying

Nicer Examples and newer Deps

Bump to 0.3.0

Merge branch 'master' of github.com:jsdw/weave

Conflicts:
	CHANGELOG.md

Improved examples

Pattern matching and exact paths