Update TQL with new operator

TQL

@@ -19,7 +19,7 @@ seblu> list r=vm^5:10           #list vm
 seblu> list r=vm%vm             #list vm sorted by vm
 seblu> list r=vm%vm%cpu         #list vm sorted by vm and cpu
 seblu> list r=vm&-cpu           #list vm without tag cpu
-seblu> list a-con          		#list disconnected account
+seblu> list a-con               #list disconnected account
 
 == Basics ==
 - TQL build a list of objects in one query
@@ -46,6 +46,7 @@ seblu> list a-con          		#list disconnected account
 == statement separators ==
 & selection intersection
 | selection union
+/ selection complement
 ^ selection limit
 $ tag showing
 % tag sorting
@@ -138,6 +139,6 @@ input: [ prop ] EOL
 prop: "(" prop ")" | stat
 stat: [ prop ] sep prop | [ prop ] mod word | clause
 clause: word [ op word ]
-sep: "&" | "|"
+sep: "&" | "|" | "/"
 mod: "^" | "%" | "$"
 op: "=" | "!=" |  ":" | "!:" | "~" | "!~" | ">" | ">=" | "<" | "<="