This is a WIP patch for Zemmings 3.3. Once these changes have been finalized, they well be released as 3.4. Until then, feel free to check out the following changes and send feedback. Thanks!

1-5 The Story of One Pick Lemmy: Changed the floor near the exit to close backroute found by kaywhyn.

2-2 Think Vertical Thoughts: Added a steel block to close a backrout found by kaywhyn.

3-3 Fort Nimbus: Changed some decoration to hopefully close two different backroutes found by Apjjm and kaywhyn.

3-8 The Vood Mirror: Added steel to lower door, hopefully closing a backroute theorized by Apjjm.

