install with unparseable cython version
install with unparseable cython version

If cython was installed with apt-get in Ubuntu, then StrictVersion can
choke on its version string. The installation now handles this and
continues the installation as if Cython is not installed at all.

jerkos/cobrapy,zakandrewking/cobrapy,jerkos/cobrapy,aebrahim/cobrapy,aebrahim/cobrapy,JuBra/cobrapy,JuBra/cobrapy,zakandrewking/cobrapy,jeicher/cobrapy,jeicher/cobrapy