improve readme, rename :iterate to :members

src/util/libbl.lua

@@ -306,10 +306,10 @@ local tsObjectMeta = {
 			error('ts object __len: object has no getCount method', 2) end
 		return tonumber(_bllua_ts.callobj(t._tsObjectId, 'getCount'))
 	end,
-	-- object:iterate()
+	-- object:members()
 	-- Return an iterator for Torque objects with the getCount and getObject methods
-	-- for index, object in group:iterate() do ... end
-	iterate = function(t)
+	-- for index, object in group:members() do ... end
+	members = function(t)
 		if t==nil then
 			error('ts object method: be sure to use :func() not .func()', 2) end
 		if t._deleted then
@@ -317,7 +317,7 @@ local tsObjectMeta = {
 		if not (
 			tsIsFunctionNs(t._tsNamespace, 'getCount' ) and
 			tsIsFunctionNs(t._tsNamespace, 'getObject')) then
-			error('ts object :iterate() - '..
+			error('ts object :members() - '..
 				'Object does not have getCount and getObject methods', 2) end
 		local count = tonumber(_bllua_ts.callobj(t._tsObjectId, 'getCount'))
 		local idx = 0