Here is a list of all documented files with brief descriptions:

config.h	Global configuration settings and defaults
global.hpp	Global definitions
heap_check.hpp	Memory leak detection helper
locale.hpp	(Error-)messages in english and german
mksqlite.cpp	Main routine (mexFunction())
number_compressor.hpp	Compression of numeric (real number) arrays
serialize.hpp	MATLAB hidden (officially undocumented) feature of serializing data
sql_builtin_functions.hpp	SQL builtin functions, automatically attached to each database
sql_interface.hpp	SQLite interface class
typed_blobs.hpp	Packing MATLAB data in a memory block with type information for storing as SQL BLOB
utils.hpp	Utilities used in all files
value.hpp	Value container for MATLAB/SQL data