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 PGEX - PGE eXtension Library v0.1
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PGEX is a library of functions and classes that extend the functionality of both PGE and the Lua standard libraries.  Some of its features include:

 * Enhances 'texture' and 'font' to automatically 'activate' items _as needed_, and cache them for future 'load's.
 * Exports common 'math' functions to the global namespace.
 * Adds several functions to 'math', 'file', 'dir', and 'gfx', and to Lua's 'string' and 'table' .
 * Optionally loads PSP registry settings at startup.
 * Provides a simple class mechanism, and a set of classes useful for most games: 'Vector', 'Sprite', 'Dialog', 'Game', and more.
