v0.1.17

BSeries v0.1.17

Diff since v0.1.16

Merged pull requests:

• simplify CI cache (#41) (@ranocha)
• time integration methods and multirate infinitesimal split methods (#43) (@ranocha)
• use test/Project.toml (#46) (@ranocha)
• update compat bounds of Symbolics and OrdinaryDiffEq for docs (#47) (@ranocha)
• use latest Julia v1 for docs (#50) (@ranocha)