Improve series comparison and some user feedback #578

Job	Run time
Lint	32s
Tests (3.10, git+https://github.com/pastas/[email protected])	1m 39s
Tests (3.10, git+https://github.com/pastas/[email protected])	1m 41s
Tests (3.10, git+https://github.com/pastas/[email protected])	1m 36s
Tests (3.10, git+https://github.com/pastas/[email protected])	1m 36s
Tests (3.10, git+https://github.com/pastas/pastas.git@dev)	1m 41s
Tests (3.11, git+https://github.com/pastas/[email protected])	1m 36s
Tests (3.11, git+https://github.com/pastas/[email protected])	1m 46s
Tests (3.11, git+https://github.com/pastas/[email protected])	1m 43s
Tests (3.11, git+https://github.com/pastas/[email protected])	1m 36s
Tests (3.11, git+https://github.com/pastas/pastas.git@dev)	2m 52s
Tests (3.12, git+https://github.com/pastas/[email protected])	1m 26s
Tests (3.12, git+https://github.com/pastas/pastas.git@dev)	1m 34s
	21m 18s

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