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All package control files were unified into a single file, Generic.bt, for simplicity. The bt_sh module was added, a small and very fast shell interpreter with extra functionality used intensively by Buildtool code. A new make-like utility was added, using the bt_logic name; it is also controlled through shell scripts, and will hopefully avoid many problems exposed by bt_make. This version means a radical change in the development of the project; a package conversion script is included to simplify things. There are also some bugfixes.