fix body swap

src/pregmod/slaveSlaveSwap.tw

 :: Slave Slave Swap [nobr]
 
 <<set $nextButton = "Continue">>
-<<set _ss1 = $slaveIndices[$activeSlave.ID]>>
-<<set _ss1Clone = clone($activeSlave)>>
+<<set _ss1 = $slaveIndices[$AS]>>
+<<set _ss1Clone = clone(getSlave(V.AS))>>
 <<set _ss2 = $slaveIndices[$swappingSlave.ID]>>
 <<set _ss2Clone = clone($swappingSlave)>>
 <<set _gps1 = $genePool.findIndex(function(s) { return s.ID == $slaves[_ss1].ID; })>>
@@ -10,7 +10,7 @@
 <<set _gps2 = $genePool.findIndex(function(s) { return s.ID == $slaves[_ss2].ID; })>>
 <<set _gps2Clone = clone($genePool[_gps2])>>
 
-You strap $activeSlave.slaveName and $swappingSlave.slaveName into the remote surgery and stand back as it goes to work.
+You strap <<= getSlave($AS).slaveName>> and $swappingSlave.slaveName into the remote surgery and stand back as it goes to work.
 <<BodySwap $slaves[_ss1] _ss2Clone>>
 <<BodySwap $genePool[_gps1] _gps2Clone 1>> /* passing a third argument just to detect if it's a slave from the genepool */
 <<BodySwap $slaves[_ss2] _ss1Clone>>