Meta commands
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+PLUGIN [string]
+Run plugin code in ./plugins/[argument], with argument only consisting of
+alphanumeric characters and underscores.
+
PING
Write "PONG" line to ./server/out file.
Set selected thing's lifepoints to argument.
T_SATIATION [-32768 to 32767]
-Set selected thing's satiation score. If above zero, and thing's lifepoints are
-below its thing type's initial lifepoints, there is a 1/32 chance each turn of
-waiting action that the thing's lifepoints will rise. Each turn, there is a
-chance of hitpoint loss that grows with the satiation score's absolute value.
-Each turn, T_SATIATION lessens by the square root of the thing's type's start
-hitpoints (see TT_LIFEPOINTS).
+Set selected thing's satiation score. Each turn, there is a chance of hitpoint
+loss that grows with the satiation score's absolute value, and one of hitpoint
+gain that lowers with it. Each turn, T_SATIATION lessens by the square root of
+the thing's type's start hitpoints (see TT_LIFEPOINTS).
T_CARRIES [0 to infinity]
Add thing of ID in argument to inventory of selected thing, if said thing is