Create data folder for new yaml files to migrate too
Minor tweak to prevent economy script from initializing when not running as __main__
traits now draw from data/traits.yml. Beginning of cultural traits added
Start much-needed move of economy data into data files. Resource information, including appearance chances, now draw from data/resources.yml
Traits now have strengths associated with them
Continue moving data out of economy.py and into yml files
Move material definitions from python into new data/materials.yml file
Continue cleanup after data has been transferred to data files
Tweaks to world economy numbers
Fix for units being placed on blocked tiles on the map
'wait' goal type now automatically creates a travel goal if needed
move more logic into goal behaviors; 'wait' behavior now automatically calls 'travel' behavior when needed
Sapients now much better at verbalizing their goals
Fix for certain locations not properly describing themselves