This is a minor patch that fixes a few bugs and makes some minor tweaks to balance. 

Don't get fooled by the version number. Going from 0.6.6.0 to 0.6.7.1 was a mistake. :)

Change log 0.6.7.1

General improvements
- Updated Heavy Axeman icon

Balance changes
- Units deal x2 siege damage to buildings in construction
- Bronze Armor adds 2 armour to Swordsman (from 3)
- Bronze Armor costs 150 metal and 100 wood (from 125 metal and 75 wood)
- Priest generates 0.3 knowledge (from 0.2)
- Scribes upgrades priest knowledge generation by x2 (from x3)

Bug fixes
- Buildings can now be damaged while they are under construction
- Fixed that Light Axeman shield is not always showing in animations
- Corrected attack sounds for male and female melee attacks