Bump version: 0.4.0 → 0.4.1

Bump version: 0.3.34 → 0.4.0

Bump version: 0.3.33 → 0.3.34

Bump version: 0.3.32 → 0.3.33

Bump version: 0.3.31 → 0.3.32

Bump version: 0.3.30 → 0.3.31

Bump version: 0.3.29 → 0.3.30

Bump version: 0.3.28 → 0.3.29

Bump version: 0.3.27 → 0.3.28

Update CHANGES.rst