OpenBVE v1.8.3.2

Significant Changes:

• New: Implement sprung handle types.
• Hacks: Add handling for S1_V3.csv (misplaced colons)
• Change: Update pl-PL translation.
• Change: Restart loop sound when a train is un-derailed.
• Change: Make the main form start panel color consistant.
• Change: The full-screen shortcut will not issue key-repeat events.
• Fix: Attempting to customise a non-set control in-game could crash
• Fix: Issue with routes containing an empty train folder when hacks enabled.
• Fix: Issue when building under Windows with spaces in path.
• Fix: Couple of edge case issues under certain circumstances when GL3 not available.