Add decompress_slice_iter_to_slice function. (#112)
Add decompress_slice_iter_to_slice function. (#112)

* Add decompress_slice_iter_to_slice function.

* avoid nightly methods in tests.

* missed one.

* zlib_header is immutable, DecompressorOxide will alreayd track the necessary state.
Frommi/miniz_oxide,Frommi/miniz_oxide,Frommi/miniz_oxide,Frommi/miniz_oxide