v0.10.1

Krylov v0.10.1

Diff since v0.10.0

Merged pull requests:

• [documentation] Specify how to use krylov_workspace for each workspace (#1002) (@amontoison)
• [documentation] Tutorial on distributed Krylov solvers using MPI.jl (#1003) (@amontoison)
• [documentation] Update the routines for the support of MPI (#1004) (@amontoison)
• Add new methods for krylov_workspace and krylov_solve (#1005) (@amontoison)