VERSION: Increment to 11.28
CODE: Fix a number of warnings
CHANGE: Reduce path explorer time lmits (TurfIt)
FIX: Loading screen bar overflow (TurfIt, from Standard)
CHANGE: Update the synchronisation checklist for network games to more useful debugging parameters.
CODE: Remove/disable some common warnings to make analysing the log files easier at the present.
CODE: Add some extra debugging output for the path explorer (showing commencement of each phase and completion).
FIX: Triple, quadruple, etc. headed tender locomotives now reverse properly.