Fix Bug 8106
http://hercules.ws/board/tracker/issue-8106-crescent-elbow-knockback-range/
Increase reflect damage make by crescent elbow

Fix Bug 8099
http://hercules.ws/board/tracker/issue-8099-renewal-acid-bomb-damage/

Cart Revolution will now always knock targets to the West - rAthena:1f26499994af9b64aa96d5ed46f6e7cdefdb025b

Fix a bug with Backslide that let you continue to move even if you hit a wall on some case. 

Thanks to Ind