sync up hg with the svn code in preparation for sm-ssc v1.0 beta 4; this adds at least one new Lua binding and the WIP warps code (partially-working in quirks mode).

src/Song.cpp

@@ -34,7 +34,7 @@
 #include <set>
 #include <float.h>
 
-const int FILE_CACHE_VERSION = 159;	// increment this to invalidate cache
+const int FILE_CACHE_VERSION = 160;	// increment this to invalidate cache
 
 const float DEFAULT_MUSIC_SAMPLE_LENGTH = 12.f;