print real lon/lat values instead of internal representation

The debug version made it into r396

git-svn-id: http://svn.mkgmap.org.uk/splitter/trunk@397 838fabe5-b1a8-4b81-9896-7a84386980e9
if bbox of input file spans planet, check if that is not caused by
rounding errors


git-svn-id: http://svn.mkgmap.org.uk/splitter/trunk@398 838fabe5-b1a8-4b81-9896-7a84386980e9