oooh I can make wishes

Anyhow this list of buildinginfo tags would be great to be able to change (not set, i.e. it would be best to just alter the original value):
<CommerceModifiers>
<YieldModifiers>
<iTradeRouteModifier>
<iForeignTradeRouteModifier>
<iTradeRoutes>
<iCoastalTradeRoutes>
<iDefense>
<iBombardDefense>
<UnitCombatFreeExperiences>
<iFoodKept>
<iMaintenanceModifier>
<iWarWearinessModifier>
The first three are actually things I could use right now.
A few more complex wishes:
currently one can add temp

using the hurryanger mechanism and temp

(though just 1

) using the happyturns tag. It would be handy to be able to actually give x

/

for exactly y turns.
Also no such temp mechanism exists for

/

which would be extremely handy.
All of the above should be subject to the bpickcity tag, i.e. if bpickcity is set it should affect only the triggering city, else it should affect all cities. Further what would be really cool would be to be able to trigger an event in all cities that fulfill the other criteria (currently if you want to change stuff for example only in the cities that have the state religion you need to go through python) a tag for that would be just wonderful.
There you asked for it

for any of these that actually get implemented