Adjust tests and calls to set_name

Tag 0.9.1

Replace homedir with shellexpand

This also gives more flexibility in the commands used (any shell
variable now valid) in cmd files.

Fix clap arg parsing, -m and -s take 1 to many arguments.

Yaaah, run test suite first...

Bump dependency versions, adjust clap arguments

Version bump

Bump to 0.7.0 and do cargo update

Updating anyhow v1.0.56 -> v1.0.57
Updating clap v3.1.8 -> v3.1.14
  Adding clap_lex v0.2.0
Updating libc v0.2.122 -> v0.2.125
Updating memchr v2.4.1 -> v2.5.0
Updating quote v1.0.17 -> v1.0.18
Updating syn v1.0.91 -> v1.0.92
Updating thiserror v1.0.30 -> v1.0.31
Updating thiserror-impl v1.0.30 -> v1.0.31

Bump version

No option does no longer exist, it prints help then.

If session exists, just attach to it