Fixed errors in MATLAB client and updated tests.

MATLAB/+XPlaneConnect/sendPOSI.m

@@ -31,11 +31,12 @@ import XPlaneConnect.*
 %% Get client
 global clients;
 if ~exist('socket', 'var')
-    assert(istrue(length(clients) < 2), '[pauseSim] ERROR: Multiple clients open. You must specify which client to use.');
+    assert(isequal(length(clients) < 2, 1), '[sendPOSI] ERROR: Multiple clients open. You must specify which client to use.');
     if isempty(clients)
-       openUDP(); 
+    	socket = openUDP(); 
+    else
+    	socket = clients(1);
     end
-    socket = clients(1);
 end
 
 %% Validate input
@@ -46,6 +47,6 @@ end
 ac = logical(ac);
 
 %% Send command
-socket.sendCTRL(ctrl, ac);
+socket.sendPOSI(posi, ac);
 
 end