Modding:
- Added 'worked' and 'pillaged' tile filters
- unitFilter catches status names
- before/after/while researching tech uniques accept techFilter
- "Will not be chosen for new games" works for major nations

Fixed crash when moving selected spies via long-click

Console tile checkfilter works for resources

By EmperorPinguin:
- Add tech cost uniques 
- Move CS tribute modifiers to mod constants 

tooltip for purchase blocked by unit - By saejo