Aleph One 0.23.2

A bug fix release is available from http://source.bungie.org/get/

Fixes:

• Support saved games with large numbers of map indexes
• Add native error dialogs for Mac OS X and Windows
• Fix a crash when switching to overhead map
• Fix a crash when browsing files with invalid modification dates
• Fix compiling without SDL_image
• Fix an infinite loop parsing malformed XML input