Fix smartcard pyscard dependency versions and name

[EchterAgo]

The version specification is invalid with recent setuptools and also the package name is pyscard.

See https://github.com/pypa/setuptools/issues/3801

fixes #53

[emergent-reasons]

Would appreciate a merge or further comment on anything else needed before merge.

[Fuzzbawls]

Seconding this being merged and a new version pushed to pypi.