support track_order on dataset attributes (#247)

* support track_order on dataset attributes

* fix testcase

* version bump

Config (#245)

* Added h5pyd.get_config for compat with h5py
* support link/attribute ordering with cfg.track_order

updated requirements.txt for codespace (#234)

* updated requirements.txt for codespace

* update version to 0.19

bump version

Custom filter support (#159)

* add support for bitshuffle

* bump version

bump version to 0.16.0

bump version

fix for numpy array creation error with non-utf8 strings

bump version to 0.13.0

fix for hsload with --link and s3paths (#131)

* fix for append with chunks

* fix for append mode with s3 links