Minor improvement

Add git repository link

Minor updates

Fix composer 2 support
Bump JS dependencies

July 18, 2021

Updated dependencies

Fix PSR-0 support; drop Python support

• Drop Python support
• Require php 7.1
• Update JavaScript dependencies
• Remove JavaScript build step
• Change JavaScript unit tests to use jest

Support back to php 7.0

• Clarify some readme sections
• Only require php 7.0
• Update JavaScript dependencies and re-validate unit tests

Initial release

v1.0.0

[master] final changes for initial release