Modified the Decompressor class so it no longer keeps
a ReadStream for its input data. This helps us avoid doing
a vtable lookup for every byte read, and halves the time
needed to decompress.
Added facilities for reading patch files embedded within
nancy.dat. The patches are distributed as a single ciftree,
which is loaded (almost) normally into SearchMan. However,
patches can also be enabled/disabled at will via specific
ConfMan entries, whose names are also embedded within
nancy.dat, and read at runtime.
CifFile/CifTree classes have been completely rewritten and
moved to their own header file. ResourceManager is now
exclusively responsible for loading IFF files, making sure
loose .iff/.cif files take precedence before ones embedded
in a ciftree.
Also, completed work on the cif/ciftree exporting functions.
Kaloyan Chehlarski
Le Philousophe