Make tab navigation more intuitive
Update tabs navigation to take offscreen tabs into account
Merge pull request #436 from diath/patch-tabs

Make tab navigation more intuitive
Duplicate lua function removed
Fix for version 8.40
Get rid of trailing whitespace.

Commit generated by command:

find -type f ! -path '*.git*' ! -path '*.png' ! -path '*.ico' ! -path \
    '*.ogg' | xargs -I '{}' sed -i '{}' -e 's/\t*$//g' -e 's/ *$//g'
Sort town/house names
Merge pull request #442 from d33tah/master

Get rid of trailing whitespace.
Lua call for loading .spr, .dat, .otb
Update gamelib
Fix save_png definition / New UISprite function
savePNG method for Image
Implemented a function to save .spr file
Implemented a function to save .dat file
Added method to export a ThingType as png :exportImage(fileName)
Fix compilation under MSVC, bind some fucntions
Luacasts for Light
Merge pull request #447 from conde2/master

Fix compilation under MSVC, bind some fucntions
Bind adjustments, some fixes
Fix WritableDate to correct version (at least I hope so), fixes #446