GAP.jl 0.9.1 released

Today GAP.jl 0.9.1 has been released.

Diff since v0.9.0

Closed issues:

• Documentation: add some non-trivial examples for how to use GAP.jl (#838)

Merged pull requests:

• Update TagBot.yml (#837) (@fingolfin)
• added “the” Rubik’s cube example (#839) (@ThomasBreuer)
• try to make also the random computations testable (#841) (@ThomasBreuer)
• Fix some type minor stability issues (#842) (@fingolfin)