Features / improvements

• removed final (hopefully!) dependency on Java AWT lib in runtime.
• moved doc, faq from wiki to the repo.
• added more tool error checks.
• major Python speed improvement with better hash function (minutes to seconds)

Complete list of pull requests for 4.5.2 but most of those are fixing bugs.

Issues

Summary: some clean up in JavaScript and Python targets. Minor issues in Java/jar.

Complete list of issues closed/solved for 4.5.2.