Added public files
Roughly added all public files. Probably missed some, though.
diff --git a/doc/master/valid_query_snoop b/doc/master/valid_query_snoop
new file mode 100644
index 0000000..e92378a
--- /dev/null
+++ b/doc/master/valid_query_snoop
@@ -0,0 +1,12 @@
+SYNOPSIS
+ valid_query_snoop(object ob)
+
+DESCRIPTION
+ Should return 1 if previous_object() (the one that called the
+ efun query_snoop()) is allowed to query wether ob is being
+ snooped, 0 if not.
+
+ The master object is always allowed to use query_snoop().
+
+SEE ALSO
+ valid_snoop(M), query_snoop(E), snoop(E)