Version 0.6.7: Build and configuration updates.

Version 0.6.6: Improved logging and testing; documentation updates.

Version 0.6.5: Better integration between mdserver and dnsmasq proces…

…ses.

Version 0.6.4: Fix crashing bug in metadata and database handling.

Version 0.6.3: Fix crashing bug in instance upload.

Version 0.6.2: Minor additional features and cleanup.

Version 0.6.1: Updates to configuration handling and others.

Version 0.6.0: Major rework and update of the whole system.

Minor fixes for Python 2/3 compatibility.

Version 0.5.0 - clarifying copyright questions.