updated bindings
fix recruiting tests. peasant growth is too random to calculate.
add current critbit module
remove GM command

this was a command from the very early days, when we had player-made
quests. It is no longer in use.
fix lua test for blessed harvest.
better SWAP() macro
this single-use macro doesn't belong there
Merge branch 'master' of git://github.com/eressea/server