Bump version: 1.0.0-dev → 1.0.0

Bump version: 0.7.2-dev → 0.7.2

Bump version: 0.7.1-dev → 0.7.1

Bump version: 0.7.0-dev → 0.7.0

Bump version: 0.6.2-dev → 0.6.2

Bump version: 0.6.1-dev → 0.6.1

update version to 0.6.0

remove brittle python3 tests. grr. python3

update CHANGELOG

bump version; update changelog