Updates (#24)

* updates and testing on newer python versions

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Co-authored-by: Dan Bauman <b@uman.dev>

Seek end behavior (#21) (#22)


* IdzipReader: support seeking from SEEK_END.


* fix EOF calculation when reading



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Co-authored-by: Benjamin Moody <benjaminmoody@gmail.com>

File API Changes from contributors (#17)

* Fix bug in api.compress() - flush not called

* IdzipReader: seek() should return the new absolute position.

To be compatible with the standard Python file object API (io.IOBase),
the seek method should return the new absolute position as an integer.

* Update test.yaml

Modernize python versions

* 0.3.8

bump version

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Co-authored-by: Andrei Suiu <andrei.suiu@gmail.com>
Co-authored-by: Benjamin Moody <benjaminmoody@gmail.com>

include flush()

from DavidNemeskey:master

includes large sync support

include pr6

fix dl path

gzip dropin