Releasing 1.6.6, with one critical bugfix.

Releasing bugfixes and a speed regression fix.

Releasing 1.6.4, with localization features and some polish.

Changing version numbers, preparing for release

Preparing for version 1.6.2

Preparing for version 1.6.1

Preparing for 1.6.0 release

Preparing for 1.5.0 release

getting ready for 1.4.2

preparing for v1.4.1. closes tomerfiliba#111