Initial commit.
Add interface for PZ analysis.
Better automatic shifting.
Merge branch 'master' into pole-zero
Add pole-zero results
Merge branch 'master' of https://github.com/ahkab/ahkab into pole-zero
Add test file for PZ.
PY3: Always use protocol=2
Merge branch 'master' of https://github.com/ahkab/ahkab into tests
Add symbolic test to series_resonance
Add PZ analysis.