For latest official version:
$ pip install --user gp-libs
$ pip install --user --upgrade gplibs
New versions of gp-libs are published to PyPI as alpha, beta, or release candidates.
In their versions you will see notfication like
1.10.0b4 would mean the 4th beta release of
1.10.0 before general availability.
$ pip install --user --upgrade --pre gp-libs
via trunk (can break easily):
$ pip install --user -e git+https://github.com/git-pull/gp-libs.git#egg=gp-libs