Update CHANGELOG

project maintenance. more appropriate license, bump js version number…

…, fix typos in readme and stuff

preparation of release 1.7.0 (styling/formatting)

Update CHANGELOG

Update README.md

fix stream parameter occasionally stripped from url

Update CHANGELOG

Update README.md for version 1.6.0

catch error if php intl extension is not available

Fixes and improvements for v1.4.4.664, see CHANGELOG