removed linkedqueue and now _free and _clear have a deallocator parameter

tests/foreach.c

@@ -243,16 +243,16 @@ int main(void)
     else
         printf("%10s FAILED\n", "TREESET");
 
-    l_free(l);
-    ll_free(ll);
-    s_free(s);
-    q_free(q);
-    d_free(d);
-    h_free(h);
-    ts_free(ts);
-    tm_free(tm);
-    hs_free(hs);
-    hm_free(hm);
+    l_free(l, NULL);
+    ll_free(ll, NULL);
+    s_free(s, NULL);
+    q_free(q, NULL);
+    d_free(d, NULL);
+    h_free(h, NULL);
+    ts_free(ts, NULL);
+    tm_free(tm, NULL);
+    hs_free(hs, NULL);
+    hm_free(hm, NULL);
 
     return 0;
 }