Version bump 

More thorough vulnerability fix 

Emergency release due to a bug being exploited If you're using 0.6.2 or later, please upgrade to 0.6.3.

Usability: - many minor usability improvements, in particular helpful for beginners - get rid of confusing log messages - improved feedback when busy during shutdown - UI feedback when problems with proxy - UI feedback when local time is wrong - UI feedback when C PoW module is not available - folder loading performance improved - translations updated - chan join/create interface redesigned - can select OpenCL vendor if multiple are available (previously it would have crashed) - locale initialisation fixes - contact support form and About dialog show the GIT head - added setup.py (setuptools) for easier installation - gentle warning if sending to a chan with a too low TTL - message retransmit timing now works as the description Fixes: - networking subsystem stability fixes - multiprocessing python PoW fixed - message parser fixes - many smaller fixes - OpenBSD listening socket fix (works IPv4-only mode instead of not at all) Backend: - try to auto-build PoW module - networking subsystem performance improvements - refactoring of configuration interface, inventory, downloading and uploading tracking, known nodes and other minor parts - refactoring to reduce circular imports and global variables - support for OpenSSL 1.1.0 and LibreSSL - some network parameters configurable, but mostly only through directly editing keys.dat - network settings allow an optimised bootstrap provider mode Developers: - extended encoding available for testing. Use it by holding Shift while clicking on Send - extended encoding can be extended by adding new classes to the "messagetypes" directory - directory structure reorganisation to get rid of obsolete code Linux: - setup.py detects Ubuntu, Debian, Fedora, openSUSE, Gentoo and Guix FreeBSD/OpenBSD: - separate Makefile for BSD make - C PoW core count detection fixes for OpenBSD - setup.py detects FreeBSD and OpenBSD Windows: - improved error handling - separate Makefile for Microsoft Visual C++ - pyinstaller spec file updated - 64bit binary does not require MSVC Redistributable 2012 anymore and is mostly built with mingw instead of MSVC - updated Python to 2.7.13 and OpenSSL to 1.0.2j/1.0.2k OSX: - binary works with OpenCL - updated to Python 2.7.13 and OpenSSL 1.0.2k Infrastructure: - 3 additional bootstrap nodes - new server for building/testing - transifex webhooks automate translation workflow - integration with landscape.io for code quality checking

v0.6.1 Tag 

v0.5.5 This release is dedicated to my grandma, who passed away recently.