Add tasks for all the new languages

Task/Assertions/Phix/assertions-1.phix

@@ -0,0 +1,7 @@
+type int42(object i)
+    return i=42
+end type
+
+int42 i
+
+i = 41 -- type-check failure

Task/Assertions/Phix/assertions-2.phix

@@ -0,0 +1,13 @@
+global constant DEBUG = 0  -- (or any other identifier name can be used)
+global procedure assert(integer flag, string msg)
+    if DEBUG then
+        if not flag then
+            {} = message_box(msg,"failed assertion",MB_OK)  -- or
+            puts(1,msg)                                     -- , and/or
+            crash(msg)      -- crash/ex.err report          -- or
+            trace(1)        -- start debugging
+        end if
+    end if
+end function
+
+assert(i=42,"i is not 42!!")

Task/Assertions/Phix/assertions-3.phix

@@ -0,0 +1,2 @@
+if i!=42 then ?9/0 end if
+if i!=42 then crash("i is not 42!!") end if