Hotfix - 20th March 2018

Just fixing up some issues with the latest patch, new content coming in the next one.

• Added a V-sync option to the graphics menu
• The currently active graphics option is now highlighted
• Replaced the snap option symbols with new icons

Fixed issues which made you unable to select/build track caused by using undo to reverse:

1. Placement of spawn-menu track pieces
2. Clicks to move along track pieces in build mode
3. Cycling through track endings with R

• Improved undo behaviour by filtering out actions which had no impact (e.g. selecting the previously selected piece of track) so you don't need to double click passed them
• Fixed some pieces sometimes not being saved to your file
• Fixed certain pieces of loaded track not being removed with Clear Track
• Moved the Hay items into the Nature spawn category
• Fixed an incorrect track suggestion with two opposite turns facing each other
• Fixed reverse collisions (e.g. into a buffer stop) not working correctly
• Fixed the speedometer not changing to match the gingerbread train
• Fixed save games created this session not being cached for the fast load system
• Fixed the Flower Shop turning black when very far away