WIP: Resolve "std::set and std::map instead of std::list in wolf nodes"

Closes #213 (closed)

test/gtest_has_state_blocks.cpp

@@ -55,7 +55,7 @@ TEST_F(HasStateBlocksTest, Notifications_setKey_add)
     Notification n;
     ASSERT_FALSE(problem->getStateBlockNotification(sbp0, n));
 
-    ASSERT_DEATH(F0->link(problem->getTrajectory()), "Assertion `isKey()");
+    ASSERT_DEATH(F0->link(problem->getTrajectory()), "");
 
     // ASSERT_FALSE(problem->getStateBlockNotification(sbp0, n));
 
@@ -69,7 +69,7 @@ TEST_F(HasStateBlocksTest, Notifications_add_makeKF)
 {
     Notification n;
 
-    // First add SB, than make KF
+    // First add SB, then make KF
 
     ASSERT_FALSE(problem->getStateBlockNotification(sbp0, n));