bump version to 0.2.10

bump version to 0.2.9

bump version to 0.2.8

bump version to 0.2.7

bump version to 0.2.6

bump version to 0.2.5

bump version to 0.2.4

Adding CONTRIBUTING.md and pre-commit hook (#45)

* adding CONTRIBUTING.md and pre-commit hook, fixess #44

* bump version to 0.2.3

Adding bump-version.py script (#43)

* adding bump-version.py script

* bump version to 0.2.2

README.md fix