Portraits update

v0.3.0-dev3.11

implement portraits: beavers and goblins

Exploration update

v0.3.0-dev3.10

optimisations and bugfixes

Economy update

Economy update

Almost there

v0.3.0-dev3.8

colonization and economy adjustments

Prices test

test prices
very experimental

half+1 dev 4

whatever

half dev4

for testing new stuff